...A Stochastic Approach to Indian Banking Sector : Technical Analysis of Private Sector Banks Dr. Rahul Rajan Abhilasha Srivastava Abstract The objective of this paper is to present a method for estimating the cost efficiency of Indian banks in order to study the degree of technical and cost performance of the Indian banking sector and to analyze how the banking sector has been affected by technical efficiency and cost efficiency. Initially, the evolution in the technical front in the banks between 2005 to 2012 is measured. For this analysis purpose a sample of 101 Indian banks including 28 public ,29 private and 44 foreign banks operating in India is taken for the period 2005-2012. For analysis purpose both the parametric method of productive efficiency frontier (Stochastic Frontier Analysis ) and nonparametric method (Data Envelopment Analysis) are taken. Introduction The financial system is the lifeline of the economy. The changes in the economy get mirrored in the performance of the financial system, more so of the banking industry. The banking system in India is significantly different from that of other Asian nations because of the country’s unique geographic, social, and economic characteristics. India has a large population and land size, a diverse culture, and extreme disparities in income, which are marked among its regions. There are high levels of illiteracy among a large percentage of its population but, at the same time, the country has a large reservoir...
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...Stochastic frontier analysis of the efficiency of Nigerian banks Abstract Using the Stochastic Frontier Analysis (SFA) the efficiency of Nigerian banks was analysed. The result of the study proved that there is inefficiency in the Nigerian banking system and that the level of inefficiency ranged from 0 to 19 per cent of total cost. The study was able to derive the individual bank's level of inefficiency. Put differently, the study was able to derive the individual bank's level of efficiency. I. INTRODUCTION In the last three decades, as bank regulators open their financial Industries for competition and liberalisation, many banks operated at a level that is less efficient and profitable leading to unsoundness or distress in the industry; thus generating concerns and worries among the bank stakeholders. There are a large number of studies which employ models to explain inter-bank differences in earnings, bank efficiency and continuous existence (failure) in the United States of America and other developed countries of the world. Similar studies have not been carried out using data from emerging markets like Nigeria especially when viewed against the background of the statement of Barltrop and McNaughton (1992) that financial analysis should be done within the context of the particular country and economic environment as each country has a different economic environment, different regulatory and legal environment, different commercial practices, different accounting...
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...STOCHASTIC FRONTIER ANALYSIS 1 MOTIVATION • Usual textbook presentations treat producers as successful optimizers. They maximize production, minimize cost, and maximize profits. • Conventional econometric techniques build on this paradigm to estimate production/cost/profit function parameters using regression techniques where deviations of observed choices from optimal ones are modeled as statistical noise. • However though every producer may attempt to optimize, not all of them may succeed in their efforts. For example, given the same inputs, and the same technology, some will produce more output than others, i.e., some producers will be more efficient than others. • Econometric estimation techniques should allow for the fact that deviations of observed choices from optimal ones are due to two factors: failure to optimize i.e., inefficiency due to random shocks • Stochastic Frontier Analysis or SFA is one such technique to model producer behavior. 2 USEFULNESS OF SFA • SFA produces efficiency estimates or efficiency scores of individual producers. Thus one can identify those who need intervention and corrective measures. Since efficiency scores vary across producers, they can be related to producer characteristics like size, ownership, location, etc. Thus one can identify source of inefficiency. SFA provides a powerful tool for examining effects of intervention. For example, has efficiency of the banks changed after deregulation? Has this change varied across...
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...procedure to evaluate the impact of bank concentration on performance. In the first stage of the estimation process, a stochastic cost frontier is estimated for the dominant commercial banks in Jamaica over the period 1989 – 2005, using both translog and Cobb-Douglas cost functions. The translog cost frontier model was found to be a more appropriate fit for the data. As such, efficiency estimates from this cost frontier model served as endogenous inputs in the second stage of the estimation procedure, where a VAR framework was employed to investigate the relationship between efficiency, concentration, and performance in the industry. The findings from the paper suggest that, on average, dominant banks in the industry would only need to reduce costs by 7.0 per cent in order to operate as efficiently as possible. Results from the VAR framework reject the structure-market-performance hypothesis. Rather, improvements in efficiency contribute to increased profitability for the dominant banks. However, improvements in efficiency for these dominant banks may not be reflected in their pricing policies due to the absence of strong competition in the sector. As such, there is further scope for initiatives geared at lowering interest margins and stimulating growth in the wider economy. JEL Classification Numbers: C61; G21; L25 Keywords: Market structure; stochastic frontier; efficiency 1 The views expressed are those of the author and do not necessarily reflect those of The Bank of Jamaica...
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...including key banks’ risks, bank- and industry specific factors and macroeconomic conditions. Our evidence suggests that failing to account for environmental factors can considerably bias the efficiency scores for investment banks. Specifically, bank-risk taking factors (including liquidity and capital risk exposures) are found particularly important to accurately assess profit efficiency: i.e. profit efficiency estimates are consistently underestimated without accounting for bank risktaking. Interestingly, our evidence suggests that size matters for both cost and profit efficiency, however this does not imply that more concentrated markets are more efficient. JEL classification: D2, G24, G32, L25 Key words: Investment Banking;Stochastic Frontier Analysis; Efficiency; Environmental Conditions; Banking Risks. 1 Centre for EMEA Banking, Finance and Economics, London Metropolitan Business School, London Metropolitan University, 84 Moorgate, London EC2M 6SQ, UK; e-mail: n.radic@londonmet.ac.uk University of Rome III, Italy, Via S. D’Amico 77, 00145 Rome, Italy; e-mail: fiordeli@uniroma3.it University of Essex, Wivenhoe Park, Colchester, CO4...
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...uncertainty by fuzzy sets theory based Data Envelopment Analysis: theoretical and practical comparison with traditional DEA model Sara Braya, Leonardo Caggiania and Michele Ottomanellia* a DICATECh – Politecnico di Bari, via E. Orabona 4, Bari 70125, Italy Abstract In transportation management the measure of systems efficiency is a key issue in order to verify the performances and propose the best countermeasure to achieve the prefixed goals. Many efforts have been made in this field to provide satisfactory answer to this problem. One of the most used methodologies is the Data Envelopment Analysis (DEA) that has been in many fields. The DEA technique is a useful is non-parametric method that allow to handle many output and input at the same time. In many real world applications, input and output data cannot be precisely measured. Imprecision (or approximation) and vagueness may be originated from indirect measurements, model estimation, subjective interpretation, and expert judgment or available information from different sources. Therefore, methodologies that allow the analyst to explicitly deal with imprecise or approximate data are of great interest, especially in freight transport where available data as well as stakeholders’ behavior often suffer from vagueness or ambiguity. This is particularly worrying when assessing efficiency with frontier-type models, such as Data Envelopment Analysis (DEA) models, since they are very sensitive to possible imprecision...
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...Assessing the risk, return and efficiency of banks’ loans portfolios ∗ Javier Menc´ ıa Bank of Spain June 2008 Preliminary and Incomplete Abstract This paper develops a dynamic model to assess the risk and profitability of loans portfolios. I obtain their risk premia and derive the risk-neutral measure for an exponentially affine stochastic discount factor. I employ mean-variance analysis with a VaR constraint to assess efficiency. Then I compare Spanish institutions in an empirical application, where small institutions seem to be less efficient than large ones on aggregate terms, while commercial and savings banks perform better on their respective traditional markets. Finally, I find increasing discrepancies between riskneutral and actual default probabilities since June 2007 and discuss their possible sources. Keywords: Credit risk, Probability of default, Asset Pricing, Mean-Variance allocation, Stochastic Discount Factor, Value at Risk. JEL: G21, G12, G11, C32, D81, G28. This paper is the sole responsibility of its author. The views represented here do not necessarily reflect those of the Bank of Spain. Thanks are due to Alfredo Mart´ for his valuable suggestions as well as for ın, help with the interest rate database. Of course, the usual caveat applies. Address for correspondence: Alcal´ 48, E-28014 Madrid, Spain, tel: +34 91 338 5414, fax: +34 91 338 6102. a ∗ 1 Introduction Standard capital market theory states that there is a risk-return tradeoff in equilib- ...
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...Brack†and Ramona Jimborean‡ First Draft: September 2008 This Version: April 2009 Abstract The paper addresses the issue of French banks efficiency, compared to their homologous from Europe and the United States. The analysis is realized on a sample formed by the ten biggest banks from France, Germany, Italy, Spain, the United Kingdom and the United States, over the period 1994-2006. The Data Envelopment Analysis (DEA) method is employed. The results show an improvement in cost-efficiency of French and Spanish banks, while in the other countries a decline in cost-efficiency is noted. We proceed to several tests of convergence, showing that inefficient banks have reduced the gap during the period 1994-2006. In a second step analysis, we focus on the factors standing behind the efficiency scores obtained through DEA methodology. These are bank-specific variables, the macro environment, the regulatory regime and the non-bank financial sector development. We use a standard censured Tobit model and show that capitalized, newly established banks, with tighter ratios of Tier 1 capital and operating in a country with a lower GDP per capita record the highest cost-efficiency scores. JEL Classification: C14, C6, D24, G21, L25 Keywords: Cost-efficiency; Banking systems; Data envelopment analysis The authors gratefully acknowledge Serge Oppenchaim, C´line Choulet, Guillaume Guidoni and Julien e Geffroy for their contribution to this work. The views expressed in this paper are those of the authors and do...
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...Efficiency Analysis of Container Ports and Terminals Qianwen Liu A thesis submitted for the degree of Doctor of Philosophy of University College London Centre for Transport Studies Department of Civil, Environmental and Geomatic Engineering University College London 2010 1 Declaration I, Qianwen Liu, confirm that the work presented in this thesis is my own. Where information has been derived from other sources, I confirm that this has been indicated in the thesis. Candidate’s signature ………………………………….. Qianwen Liu 2 Abstract In the past two decades the steady growth of seaborne trade has resulted in the increase of container ships, container ports and their terminals. The structure of the shipping market is, moreover, continuously evolving. On the carrier side, shipping companies form consortia and alliances; on the port side, global terminal operators and dedicated container terminals are emerging. The aim of this research is to evaluate the efficiency of container ports and terminals and to study how to improve the scale efficiency of any particular port/terminal. In particular we study how certain factors influence the efficiency of container ports and terminals. Regional container ports and global container terminals are examined based on the econometrics benchmarking method Stochastic Frontier Analysis (SFA). Two datasets are used, a panel dataset for 32 container ports in the North Mediterranean Sea over a nine-year period, and a cross-sectional...
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...Journal of International Development J. Int. Dev. 12, 343±369 (2000) PRODUCTIVITY SPILLOVERS FROM TECHNOLOGY TRANSFER TO INDIAN MANUFACTURING FIRMS VINISH KATHURIA* Gujarat Institute of Development Research (GIDR), Gota, Ahmedabad, India Abstract: The present paper employs techniques from stochastic production frontier and panel data literature to test a spillover hypothesis for large sized ®rms that `presence of foreign-owned ®rms and foreign technical capital stock in a sector leads to reduced dispersion in eciency in the sector and fall is higher for the ®rms that invest in R&D activities'. Dispersion being a relative concept, it may still fall if both the leading foreign ®rm and domestic ®rms show fall in technical eciency over the period and the fall for the leader is higher and vice versa. Given the focus of the study, where concern is for the learning by the domestic ®rms, the study tries to get around with the problem partially, by testing the hypothesis for those local ®rms that have shown productivity improvement over the period. Results suggest that foreign-owned ®rms are close to the frontier in 13 of the total 26 sectors studied. Spillovers result for these 13 sectors indicate that there exist negative spillovers from the presence of foreign ®rms in the sector, but available foreign technical capital stock has a positive impact. Interesting dierences emerge when the sample is bifurcated into scienti®c and non-scienti®c subgroups. Results for the scienti®c...
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...Financial Analysis and Investment (A) Course: MSC Finance Std: xxxxxxxxx Introduction Asset pricing models are very useful tools in calculating the risk and their respected return for the investors and they are being widely used by financial analyst. From different theories we can determine the value of assets into three steps i.e., Expected Cash Flow, number of periods and the expected rate of returns. Investors have several questions before investing his money in any stock or in any other commodity that is what should be the accuracy of prices of selling or buying the stocks, what could be the risk, what are the factors should be considered that ignores uncertainty and the expected returns of the stock. The Capital Asset Pricing Model (CAPM) and Arbitrage Pricing Theory (APT) both are well known pricing model determines the risk factor for analyzing the appropriate returns for the investors in their own unique ways. CAPM model uses the whole market environment as one factor but on the other hand APT uses five different economics factor which is more detailed in describing risk which accelerates for these factors. The adoption of CAPM is in practice but other hand its various criticisms are documented on it as well and academics are working on the new approaches of it such as APT and others is discussed in later paragraphs. In this assignment I will discuss the assumptions of CAPM and APT model and their pros and cons and the limitations of CAPM over APT models. ...
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...Wikipedia, the free encyclopedia "Portfolio analysis" redirects here. For theorems about the mean-variance efficient frontier, see Mutual fund separation theorem. For non-mean-variance portfolio analysis, see Marginal conditional stochastic dominance. Modern portfolio theory (MPT) is a theory of finance which attempts to maximize portfolio expected return for a given amount of portfolio risk, or equivalently minimize risk for a given level of expected return, by carefully choosing the proportions of various assets. Although MPT is widely used in practice in the financial industry and several of its creators won a Nobel memorial prize for the theory,[1] in recent years the basic assumptions of MPT have been widely challenged by fields such as behavioral economics. MPT is a mathematical formulation of the concept of diversification in investing, with the aim of selecting a collection of investment assets that has collectively lower risk than any individual asset. That this is possible can be seen intuitively because different types of assets often change in value in opposite ways.[2] For example, to the extent prices in the stock market move differently from prices in the bond market, a collection of both types of assets can in theory face lower overall risk than either individually. But diversification lowers risk even if assets' returns are not negatively correlated—indeed, even if they are positively correlated.[3] More technically, MPT models an asset's return as a normally distributed...
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...Numerous empirical studies have sought to evaluate the relationship between market structure and performance. The traditional structure-conduct-performance approach (SCP) alone seems hard to reconcile with the true development of the relationship. There are two main stream of hypothesis that studies the relationship between. On one hand, the collusion hypothesis, widely known as SCP (Bain, 1995), stipulates that as a result of market concentration which facilitates the collusion between firms of the industry, greater benefits like higher firm profits arise. On the other hand, Demsetz (1973) provide an alternative reasoning for the positive relationship between concentration and profitability. The efficient structure hypothesis suggests that market structure is dictated by the efficiency of the operating firms. The most efficient firms reap higher profitability and market share which eventually lead to higher market concentration. This review will present some literature findings which are either in favour of or against Demsetz view of efficiency hypothesis. Efficient-structure hypothesis stipulates that bigger market share is the outcome of efficient operations of the firms. It is subdivided into two forms of hypothesis. Under X-efficiency hypothesis, firms with superior management or production processes operate at lower costs and eventually gain more profits. Following-on higher market shares may result in higher market concentration. On another hand, scale-efficiency hypothesis...
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...Bangladesh entered into the era of financial reform during the early 1980s. Most of the reforms initiated by the government have concentrated predominantly on the banking sector. Consequently, many changes relating to ownership, market concentration, regulatory measures and policies have taken place primarily to enhancing bank performance. In this regard, this study is undertaken to investigate the performance of commercial banks after the implementation of significant financial reform. Data Envelopment Analysis based frontier measures income and cost efficiency and traditional non-frontier measures non-performing loans and return on assets have been used for assessing bank performance. The findings indicate that income and cost efficiency of sample banks have increased by 37.84 percent and 15.28 percent respectively in 2008 compared to 2001. Similarly, non-performing loans and return on assets also report improvement in bank performance. The results generated by regression models indicate that foreign ownership has a statistically significant positive impact on bank performance. On the other hand, private ownership has favorable impact on income efficiency, return on assets, and non-performing loans, whereas negative impact on cost...
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...Corporate Governance refers to the way an organization is directed, administrated or controlled. It includes the set of rules and regulations that affect the manager’s decision and contribute to the way company is perceived by the current and potential stakeholders. The corporate governance structure specifies the distribution of rights and responsibilities among different participants in the corporation such as; boards, managers, shareholders and other stakeholders and spells out the rules and procedures and also decision making assistance on corporate affairs. By doing this, italso provides the structure through which the company’s objectives are set and the means of obtaining those objectives and monitoring performance. Corporate governance may be the ways of bringing the interests of investors and managers into line and ensuring that firms are run for the benefit of investors. Given the state of the economy of Pakistan in 2010, troubled as it is; ideally it would be more desirable to look at the governance issues at macro level for Pakistan. As a famous economist, Dr Shahid Javaid Burki- a long observer of Pakistan’s economy has recently stated “Pakistan can generate a greater bounce in its economy than India by creating better governance. It has occurred before in the country’s difficult economic history and could happen again.” (Improved Governance: Dawn, 12th, October 2010). However, as a starting point , in this paper we look at closely the governanceissues for the...
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