This paper explores the impacts of informatin technology investment on economic groth in a cross-section of 39 countries in the period 1980-95 by applying an explicit model of economic growth, the augmented version of the neoclassical (Solow) growth model.

Even in industrial countries, the impact of information technology has not been as deep or pervasive as the debate about the benefits of the global information society sometimes makes it appear. The literature review on the US experience shows that there is neither a 'productivity paradox' nor a...

Heavy positively autocorrelated natural fluctuations in a fisheries stock level are problematic for fisheries management, and collapses in the stock dynamics are difficult to avoid. In this paper, we compare three different harvesting strategies (proportional harvesting, threshold harvesting,...

A general dynamic model of fishing under harvest share contracts is developed. Vessel owners hire fishermen to work on the vessels and pay them a share of the catch and an additional wage. The harvest rate depends on labor input, capital input, and stock level. Neither of the agents is...