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...

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...

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...

Mature federations have relatively transparent delineations of authority among levels of government; subnational governments enjoy considerable autonomy in their expenditure, revenue, and debt policies. In other countries, problems of soft budget constraints, bailouts, and fiscal and financial...

In this paper we argue that authorities aid cooperation by means of direct coordination or the enforcement of pre-commitment devices such as contract laws.Credible threats of violence allow this role. In a local interaction model, an authority forms if mutually connected individuals with...

In this paper we introduce DEA models that can be used to compute the way firms' profitability changes when the assignment of property rights changes.

This paper aims to make a public statement about the strategy implemented by Microsoft in order to reinforce its market power across the networked users of Windows Operative System, and Xbox Games Console. It is presented an economic view that supports the anticipating (not predatory) position...

In the model of Funaki and Yamato (1999) the tragedy of the commons can be avoided with pessimistic players, while this does not hold for optimistic players. We propose a new core concept to overcome this puzzle and provide numerical simulations of simple games where the conclusions coincide or...