A plethora of approaches to modeling market power has been reported in the literature. These can be broadly divided into one-side and two-side behavioral models. This paper uses versions of these models to develop a theoretical framework to test market power in the output and input markets in...

With the removal of significant government intervention, the changing structure of the Chinese food markets has led to the evolution of different types of markets, and particularly the growth of wholesale markets. This paper analyses food consumption patterns for the largest wholesale food...

Given the increasing concentration in numerous markets recent interest in market structure and performance has grown dramatically. The empirical research revolves around theories of industrial organization and non-cooperative game theory. Research in this area uses participant strategic action...

Non market valuation and bio economic modelling are combined in a dynamic model of ecosystem services. A mathematical proof demonstrates that the imputed price of natural capital contains all non market values and that scarcity rent is the total value of ecosystem services. A dynamic demand...

This paper reports on a case study to establish dollar values for loss of biodiversity in the New Zealand coastal marine environment. The study uses the European Shore Crab (Carcinas maenas) as the example alien invasive species and the Pauatahanui Inlet, Wellington, New Zealand, as the...

Governments are under increasing pressure to deliver results. Therefore, it is important to evaluate the effectiveness, efficiency and relevance of the public service in implementing policies and programmes for social betterment. Without such evaluations, it is difficult to ensure that evidence...

Röling and others argue that research and extension should not be seen as separate processes involving distinct institutions which must somehow be linked. Rather, scientists, specialists, extension workers, consultants and producers should be seen as participants in a single agricultural...

Ricecheck, an extension program for rice developed by the NSW Department of Primary Industries, is based on eight best management practice recommendations (“key checks”) considered essential for achieving high yields. The program comprises grower meetings and field days. The Ricecheck...

Several trials have recently taken place in Australia of sealed bid discriminant price auctions for conservation contracts. The trials encourage landholders to competitively tender for funds to provide conservation actions on private land. In these auctions, environmental benefits of offers are...

Global climate anomalies affect world economies and primary commodity prices. One of the more pronounced climate anomalies is El Niño Southern Oscillation (ENSO). In this study I examine the relationship between ENSO and world commodity prices using monthly time series of the sea-surface...