Consistent moment estimators of regression coefficients in the presence of errors in variables

This paper examines the possibilities of moment estimators of regression coefficients in the errors-in-variables problem suggested by Geary (1942) and others [Scott (1950) and Drion (1951)]. This approach yields consistent estimators of regression coefficients based on uni- and bi-variate moments (or cumulants) of third or higher order. These are computationally simple and need milder assumptions than the standard techniques, viz., ML and IV estimation. After a review of past investigations, this paper proposes new moment estimators and compares the asymptotic efficiencies of six estimators proposed earlier or here and of the OLS estimator. The case where the true regressor is lognormally distributed receives considerable attention in this communication.     

The East Asian crisis and financing corporate investment: is there a cause for concern?

In view of limited empirical evidence concerning the microeconomic aspects of corporate financial problems in the East Asian countries in the 1990s, this paper analyses the financing pattern of corporate investment in Indonesia, Korea, Malaysia, and Thailand. The analysis is based on an unbalanced panel of listed firms during the period 1989–1997. By using firm size, retention practices, and leverage as three different indicators of financial constraint on firm investment, we have examined the role of various internal and external financing variables on corporate investment in the sample countries. Results indicate that a large number of sample firms depend on free cash flow, especially in Indonesia; there was also a steady increase in debt-equity ratio in all countries. There were signs of agency costs in the use of cash flow in Korea and Malaysia and also in the use of debt financing in Malaysia and Thailand. There was also sign of over-investment among the Thai firms during 1994–1997 though it appears very little if at all was done to redress it in time.     

Soil and cropping system research in semi-arid West Africa as related to the potential for conservation agriculture

Semi-arid West Africa faces challenges to increase sorghum and pearl millet production to meet food needs for a growing human population while increasing soil carbon (C), nutrient levels, and water holding capacity that are documented benefits of conservation agriculture. This review focuses on the wealth of research on cropping systems, tillage, crop residue, nutrient, and weed management as related to conservation agriculture. It also identifies needs for multidisciplinary, integrative research to assist the transition from current production systems to conservation agriculture. Crop residue use as livestock feed, or fuel are major constraints to adoption of conservation agriculture, which could be reduced by wood production in agroforestry systems, alternate energy sources, and increased forage supply. Crop residue and grain yields are related, thus improved crop, soil, water, nutrient, and weed management to increase grain yield would also increase the supply of crop residue with potential for ‘left over’ crop residue being available for soil mulching. Incorporating indigenous shrubs and/or cover crops could also increase crop residue supply. Species diversity can be increased through crop rotation, agroforestry, cover crops, and intercrops. Higher grain and stover yields and increased profit potential for resource-poor farmers in West Africa will be required before wide-scale adoption of conservation agriculture will be possible.     

Contestability and two-part pricing

This paper contributes to the debate over the relevance of contestability by demonstrating that the welfare properties claimed by proponents depend on the inability of incumbent firms to divide the market. Given the ability to divide the market using two-part prices, the incumbent can protect profitability. This possibility further illustrates the extremity of the assumptions upon which contestability rests as two-part pricing is commonly observed in some of the very markets that might be suggested to be more nearly contestable.The authors thank Barnali Gupta, William G. Shepherd and two reviewers for suggestions on earlier drafts.     

How Much of the Gender Difference in Child School Enrolment Can Be Explained? Evidence from Rural India

There are significant gender differences in child schooling in the Indian states though very few studies explain this gender difference. Unlike most existing studies we take account of the implicit and explicit opportunity costs of schooling and use a bivariate probit model to jointly determine a child's participation in school and market jobs. Results obtained from the World Institute of Development Economics Research (WIDER) villages in West Bengal suggest that indicators of household resources, parental preferences, returns to and opportunity costs of domestic work significantly affect child school enrolment. While household resources have similar effects on enrolment of boys and girls, other arguments tend to explain a part of the observed gender difference. Even after taking account of all possible arguments, there remains a large variation in gender differences in child schooling that cannot be explained by differences in male and female characteristics in our sample.     

An Empirical Analysis Of Industrial Disputes: Evidence From Indian States

This paper investigates the determinants of industrial disputes using data for fourteen major states of India over fifteen years from 1981 to 1996. We document that other than purely economic factors (e.g. wages, provident fund and other benefits, and factory size); socio-economic, institutional, and political factors have significant impact on industrial disputes. This supports the political economic view of the trade union behavior. We also provide the evidence that liberalization of Indian economy has enhanced industrial peace. Region specific factors as well as the ideology and characteristics of political parties in power of the state governments influence industrial disputes. Fixed capital per employee and overall growth rate of per capita state domestic products has negligible impact on industrial disputes.

     

Ethical evaluations, intentions, and orientations of accountants: Evidence from a cross-cultural examination

Society has high expectations concerning accounting professionals. More than ever, accountants need professional values and ethics that allow them to operate successfully and with integrity in a changing world. This study is a first attempt to understand the ethical evaluations, intentions, and orientations of accounting professionals and students from Latin American countries. Another objective is to validate the multidimensional ethics scale used by Cohen et al. [1998] in an international setting. The results did not validate such a scale but offer interesting findings about the Latin American sample. In such a context, ethics appear to be a collective concern guided by a different concept of equity. The results indicate that the respondents consider justice a superior value over what is considered correct, acceptable, or good.     

Household sectoral choice and effective demand for rural credit in India

An analysis of the ICRISAT data from three Indian villages raises concern about the extent of rationing mechanism inhibiting the spread of formal credit in rural India where a significant proportion of households do not have any outstanding loan or borrow from the informal sector only. A limited-dependent econometric analysis of the factors jointly determining household sectoral choice and effective demand for informal loan conditional on whether a formal loan is available suggests that compared to formal loan easy and adequate access and prompt recovery are significant determinants of the popularity and viability of informal rural credit among sample households; also some households substitute labour income to ease the extent of credit. Thus, rationing of the formal credit is not the only factor inhibiting the spread of formal credit in the study villages.     

Environmental standards as strategic outcomes: A simple model

This paper analyses the strategic nature of choice of environmental standards considering both local and global pollution under alternative regimes of international trade. It also compares and contrasts the strategic equilibrium environmental standards and levels of pollution, local and global, with the world optimum levels. It shows that, in case of open economies, environmental standards can be either strategic substitutes or strategic complements. On the contrary, in case of closed economies, environmental standards are always strategic substitutes. It also shows that the strategic equilibrium environmental standards in case of open economies are higher than the world optimum in certain situations. Whereas, in absence of international trade, countries set, in equilibrium, lower environmental standards than the world optimum.