The black market exchange rate premium is widely used in the empirical literature as an indicator of trade and exchange rate distortions. This paper presents a simple test of the null hypothesis that the black market exchange rate is a reliable indicator of the equilibirum exchange rate. The...

Purchasing power parity (PPP) hypothesis has attracted a lot of attention from academics and policy-makers particularly, during the recent float. Most previous studies used data from the developed world. This study examines the validity of the PPP hypothesis using data during the recent float...

Time series data for Sri Lanka span periods of pervasive trade and exchange restrictions along with periods of liberalized trade. This paper implements a structural econometric model of aggregate imports which incorporates the implications of the shifts in the policy regime. The results...

This study tests weak and semi-strong form efficiency of the foreign exchange market in Sri Lanka using six bilateral foreign exchange rates during the recent float. Weak-form efficiency is examined using unit root tests while semi-strong form efficiency is tested using co- integration and...

If entrepreneurs have private information about factors influencing the outcome of an investment, individual lending is inefficient. The literature emphasizes improvements through non-market organizations that harness local information through peer monitoring. I investigate the complementary...

The current optimum population models found in economic literature define static optimum population used in forming policy i.e. at a given instant what should be the optimum number of people in a (closed) economy. We believe that although this definition is useful, it is very limiting as far as...

Negli anni novanta si è diffusa nelle scienze sociali l’idea che la crescita non sia determinata soltanto da fattori di carattere economico, quali il capitale naturale, il capitale fisico e il capitale umano, ma anche dal tessuto sociale e istituzionale dell’economia. Gli aspetti della...

We present a general equilibrium model that encompasses the endogenous selection of a set of tradeable commodities. At its foundation we introduce the notion of a trade infrastructure as a set of social institutions describing the trade and production technologies available to the agents in the...

The rapid increase in adult mortality due to the AIDS epidemic in sub- Saharan Africa raises great concern about its impact on child welfare. This article estimates the impact of AIDS-related adult mortality on primary school attendance in rural Kenya using a panel of 1,266 households surveyed...

This study assesses the widely-held belief that manufacturing industries are uniquely important to the process of national economic growth. The study’s related purpose is to describe structural changes in the U.S. manufacturing sector and the organization of U.S. manufacturing firms that are...