Portuguese Economic Journal, 2006, Volume 5, Nº 1
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- Are voters rationally ignorant? An empirical study of Portuguese local electionsPublication . Silva, Ester Gomes; Costa, José da SilvaThe application of the rational choice postulate to a political context invariably leads to the conclusion that most voters are ill informed when making the decision on whom to vote for. In this paper, the authors conduct an empirical evaluation of the rational ignorance theory, based on the model developed by (Rogoff and Sibert Rev Econ Stud LV:1–16, (1988) and by considering that better informed voters reward political candidates who show better performances. The levels of performance are established through the construction of an empirical frontier using the Data Envelopment Analysis (DEA) methodology. According to our results, based on the 1997 Portuguese local elections, even though swing voters do not necessarily behave as rationally ignorant voters, a large majority of voters are rationally ignorant.
- Entry and fiscal policy effectiveness in a small open economy within a Monetary UnionPublication . Costa, Luís F.In this article I develop an imperfectly competitive dynamic general equilibrium model for a small open economy integrated in a monetary union. Here, the type of entry in the non-traded goods’ sector affects fiscal policy effectiveness. Fiscal policy effectiveness is enlarged when aggregate demand stimuli increase intra-industrial competition (case I). This is due to the counter-cyclical mark-up mechanism generated by entry. Such a mechanism is absent in the usual monopolistic competition where entry only has a sharing effect (case II).
- Use of borrowed start-up capital and micro enterprises in Mexico : existence of liquidity constraintsPublication . Heino, HeikkiUsing the National Survey of Micro enterprises (ENAMIN, Encuesta Nacional de Micronegocios) data I test for the presence of liquidity constraints for obtaining start-up capital in Mexico’s credit markets (formal and informal). I use the bivariate probit model with partial observability to recognize two important decisions in the credit allocation process: first, whether an owner of a micro enterprise wants to apply start-up loan and, second, whether financial institutions decide to provide or not to provide the loan. Finally, I compare the results from this model to those of a simple probit model that looks at whether a micro enterprise owner gets funding or not (i.e. the probit model implicitly assumes that no liquidity constraints exist). The findings of this study show that there is substantial heterogeneity in the socioeconomic background of borrowers, as well as in the sources for start-up capital employed by micro enterprises in Mexico. Moreover, there is clear evidence of liquidity constraints in the market for start-up capital that could hinder the creation and growth of small enterprises. Applying the findings of the study, policy makers could fundamentally increase the effectiveness in establishing an economic environment that fosters growth.