Fishers are faced with multiple risks, including unpredictability of future catch rates, prices and costs. While the latter are largely beyond the control of fisheries managers, effective fisheries management should reduce uncertainty about future catches. Different management instruments are...

The wine industry is one of the oldest commercial activities in South Africa. The South Africanwine grape industry annually produces more than a million tonnes of grapes, making the countrythe ninth largest producer in the world. The total area under wine grape production is divided intoeight...

The MODERE, the Ministry of the Environment Irrigation Decision Model, is a simulation tool whichuses mathematical programming methods to reveal the implicit multiattribute objective function lyingbehind the observed cropping decision. The model takes different criteria such as profit...

This dissertation studies the role of the collective action sector for rural development. A combination of formal modeling, historical and institutional analysis, and econometric methods is used in this research. I develop microeconomic models to analyze the determinants of peasants' decisions...

Contingent valuation (CV) is a surveying technique used to estimate the willingness to pay (WTP) by individuals for non-market goods (goods for which no market of exchange exists). Many CV studies have shown the existence of hypothetical bias which occurs when individuals are asked a...

This research examines groundwater protection programs as a case study of investments to address long-term environmental health risks. The value individuals place on reducing their risk of exposure to chemical contaminants is estimated using stated preference methodology, accounting for the...

As progress has been made on tariff reduction by recent trade agreements, barriers to freer international trade arising from nontariff sources have become more prominent. Regulation of product quality and in particular food safety can be a major source of such barriers. Lowering them requires...

The three essays in this dissertation address issues pertinent to hypothetical bias in the contingent valuation (CV) mechanism. Empirical evidence gathered through several experiments conducted at the University of Massachusetts, Amherst, is used to provide a better understanding of the cause...

This dissertation explores the interconnection between land ownership inequality and functioning of rural factor markets in Turkey. It investigates the effectiveness and efficiency of land and labor markets in generating and distributing economic opportunities within agriculture and, thereby, in...

Protection of the environment is among the most pressing public policy challenges and will continue to be so long into the future. Pollution, specifically, has played a pivotal and substantial role in the degradation of the environment. Although numerous analytical techniques and computational...