世界経済・社会統計 = World development indicators

Offering a unifying theoretical perspective not readily available in any other text, this innovative guide to econometrics uses simple geometrical arguments to develop students' intuitive understanding of basic and advanced topics, emphasizing throughout the practical applications of modern theory and nonlinear techniques of estimation. One theme of the text is the use of artificial regressions for estimation, reference, and specification testing of nonlinear models, including diagnostic tests for parameter constancy, serial correlation, heteroscedasticity, and other types of mis-specification. Explaining how estimates can be obtained and tests can be carried out, the authors go beyond a mere algebraic description to one that can be easily translated into the commands of a standard econometric software package. Covering an unprecedented range of problems with a consistent emphasis on those that arise in applied work, this accessible and coherent guide to the most vital topics in econometrics today is indispensable for advanced students of econometrics and students of statistics interested in regression and related topics. It will also suit practising econometricians who want to update their skills. Flexibly designed to accommodate a variety of course levels, it offers both complete coverage of the basic material and separate chapters on areas of specialized interest.

Estimation and Inference in Econometrics

We study economic growth and inflation at different levels of government and external debt. Our analysis is based on new data on forty-four countries spanning about two hundred years. The dataset incorporates over 3,700 annual observations covering a wide range of political systems, institutions, exchange rate arrangements, and historic circumstances. Our main findings are: First, the relationship between government debt and real GDP growth is weak for debt/GDP ratios below a threshold of 90 percent of GDP. Above 90 percent, median growth rates fall by one percent, and average growth falls considerably more. We find that the threshold for public debt is similar in advanced and emerging economies. Second, emerging markets face lower thresholds for external debt (public and private)--which is usually denominated in a foreign currency. When external debt reaches 60 percent of GDP, annual growth declines by about two percent; for higher levels, growth rates are roughly cut in half. Third, there is no apparent contemporaneous link between inflation and public debt levels for the advanced countries as a group (some countries, such as the United States, have experienced higher inflation when debt/GDP is high.) The story is entirely different for emerging markets, where inflation rises sharply as debt increases.

Growth in a Time of Debt

Economics Of Discrimination

/pdf/growth-in-a-time-of-debt-5a74d3utls.pdf

Growth in a time of debt

http://docs.dises.univpm.it/web/quaderni/pdfmofir/Mofir065.pdf

Public debt and economic growth: Is there a causal effect?

Public debt and growth: Heterogeneity and non-linearity

Bank deregulation and progress in information technology altered the geographical diffusion of banking structures and instruments, and reduced operational distance between banks and local economies. Although, the consolidation of the banking industry promoted the geographical concentration of banking decision-making centres and increased functional distance between local banking systems and local borrowers. This paper focuses on the impact that these spatial diffusion-concentration phenomena had on the financing constraints of Italian firms over the period 1996--2003. Our findings show that greater functional distance stiffened financing constraints, especially for small firms, while smaller operational distance did not always enhance credit availability. Copyright 2009, Oxford University Press.

Banks, Distances and Firms' Financing Constraints

This paper surveys the recent literature on the links between public debt and economic growth in advanced economies. We find that theoretical models yield ambiguous results. Whether high levels of public debt have a negative effect on long-run growth is thus an empirical question. While many papers have found a negative correlation between debt and growth, our reading of the empirical literature is that there is no paper that can make a strong case for a causal relationship going from debt to economic growth. We also find that the presence of thresholds and, more in general, of a non-monotone relationship between debt and growth is not robust to small changes in data coverage and empirical techniques. We conclude with a discussion of the challenges involved in measuring and defining public debt and some suggestions for future research which, in our view, should emphasize cross-country heterogeneity.

Public Debt and Economic Growth in Advanced Economies: A Survey

Recent empirical findings by Elsas (2005) and Degryse and Ongena (2007) document a U-shaped effect of market concentration on relationship lending which cannot be easily accommodated by the investment and strategic theories of relationship lending. In this paper, we suggest that this non-monotonicity can be explained by looking at the organizational structure of local credit markets. We provide evidence that marginal increases in interbank competition are detrimental to relationship lending in markets where large and out-of-market banks are predominant. On the contrary, where relational-based lending technologies are al-ready widely in use in the market by a large group of small mutual banks, an increase in competition may drive banks to further cultivate their extensive ties with customers.

/pdf/competition-and-relationship-lending-friends-or-foes-26l126esvy.pdf

Andrea F. Presbitero

Papers

Public debt and economic growth: Is there a causal effect?

Public debt and growth: Heterogeneity and non-linearity

Banks, Distances and Firms' Financing Constraints

Public Debt and Economic Growth in Advanced Economies: A Survey

Competition and Relationship Lending: Friends or Foes?