Capital-accumulation games under environmental regulation and duopolistic competition

In a differential game between two symmetric firms, provided with a clean and a dirty production activity, it is analyzed how investment and emissions are affected by environmental regulation. If both firms face the same environmental policy, a stricter policy reduces long-run investment in the dirty activity, while the impact on the clean activity is ambiguous. Both long-run emissions of each firm and total emissions decrease. This result does not necessarily hold if both firms face different policy instruments: Each firm's investment levels increase with a stricter environmental policy towards its rival, which causes more emissions by this firm.     

Unemployment durations of job losers in a labour market in transition

Slovakia is one of the Central European countries in transformation from a centralized command system to a decentralized market economy. This paper studies the labour market position of Slovak job losers. Using data from labour force surveys we analyse exit rates out of unemployment. We find that male, young, higher educated job losers in districts with low unemployment rates have substantially shorter unemployment durations than their counterparts. There is evidence that for some job losers it is very hard to find a new job.     

A two-step simulation procedure to analyze the exercise features of American options

Abstract In this contribution we propose a two-step simulation procedure that enables to compute the exercise features of American options and analyze the properties of the optimal exercise times and exercise probabilities. The first step of the procedure is based on the calculation of an accurate approximation of the optimal exercise boundary. In particular, we use a smoothed binomial method which effectively reduces the fluctuating behavior of a discrete boundary. In the second step the boundary is used to define a stopping rule which is embodied in a Monte Carlo simulation method. A broad experimental analysis is carried out in order to test the procedure and study the behavior of the exercise features. Mathematics Subject Classification (2000): 60G40, 60J60, 65C20 Journal of Economic Literature Classification: G13     

Ex post vs. ex ante pricing: Optional calling plans and tapered tariffs

We study optimal nonuniform pricing in a setting where a customer's demand at the start of a billing period contains a random variable whose realization becomes known by the end of the billing period. In this context, an optional calling plan is a tariff which the consumer must select based on his/her expectations about the random variable, whereas, under a tapered tariff, the consumer's choice of usage charge is made after he/she knows the realization of the random variable. We show that for low to moderate levels of uncertainty about the random variable entering the demand function, the optional calling plan approach to nonuniform pricing yields higher expected profit than does the tapered tariff approach, given risk-neutral consumers. We illustrate this finding with a case study and argue that it is consistent with the historical evolution of tariffs in the interexchange telecommunications market.     

Input–output linkages and the propagation of domestic productivity shocks: assessing alternative theories with stochastic simulation

Relatively small sectoral productivity shocks could lead to sizable macroeconomic variability. Whereas most contributions in the literature analyze the issue of aggregate sensitivity using simple general equilibrium models, a novel approach is proposed in this paper, based on stochastic simulations with a global computable general equilibrium model. We find that the variability of the GDP, induced by sectoral shocks, is basically determined by the degree of industrial concentration as measured by the Herfindahl index of industrial value added. The degree of centrality in inter-industrial connectivity, measured by the standard deviation of second-order degrees, is mildly significant, but it is also correlated with the industrial concentration index. After controlling for the correlation effect, we find that connectivity turns out to be statistically significant, although less so than granularity.     

Corporate sustainability and organizational culture

The concept of corporate sustainability has gained importance in recent years in both organizational theory and practice. While there still exists a lack of clarity on what constitutes corporate sustainability and how to best achieve it, many scholars suggest that the pathway for the adoption of corporate sustainability principles leads via the adoption of a sustainability-oriented organizational culture. In this paper, we provide a closer examination of this suggested link between the cultural orientation of an organization and the pursuit of corporate sustainability principles. Specifically, we seek to assess (1) what constitutes a sustainability-oriented organizational culture, (2) whether it is possible for organizations to display a unified sustainability-oriented organizational culture, and (3) whether organizations can become more sustainable through culture change. Directions and challenges for practical management and future research are identified and outlined.     

American education in the age of mass migrations 1870–1930

This paper derives original series of average years of schooling in the United States 1870–1930, which take into account the impact of mass migrations on the US educational level. We reconstruct the foreign-born US population by age and by country of origin, while combining data on the flow of migrants by country and the age pyramids of migrants by country. Then, we use original data on educational attainment in the nineteenth century presented in Morrisson and Murtin (J Human Cap, in press) in order to estimate the educational level of US immigrants by age and by country. As a result, our series are consistent with the first national estimates of average schooling in 1940. We show that mass migrations have had a significant but modest impact on the US average educational attainment. However, the educational gap between US natives and immigrants was large and increased with the second immigration wave, a phenomenon that most likely fostered the implementation of restrictive immigration rules in the 1920s.     

Deconstructing gravity: trade costs and extensive and intensive margins

Abstract This paper uses data on US exports to decompose exports into the number of exporting firms (the extensive margin) and average export sales (the intensive margin). We show how a range of proxies for trade costs has different impacts on the two margins. Distance has a negative effect on both margins, but the magnitude is considerably larger for the extensive margin. Most of the variables capturing language, internal geography, infrastructure and import cost barriers work through the extensive margin. We show that these results are consistent with a Melitz‐style model of trade with heterogeneous firm productivity and fixed costs.     

Why Does Performance Persistence Vary Among Closed-End Funds?

This study extends the research on closed-end fund performance persistence by investigating whether the persistence of both net asset value (NAV) and market price returns of U.S. registered closed-end funds is related to various fund characteristics. The sample consists of 505 closed-end funds, which are investigated over the period from January 1976 to December 1996. The analysis tests whether persistence is related to the fund characteristics size, goal, management fees, turnover, fund family membership, fund experience, and the exchange on which a fund is traded. The results vary across holding periods used to calculate persistence but are similar with respect to the NAV and market price returns. Funds with lower expense ratios and funds traded on the NYSE show more persistence of strong NAV and market price performance.