abstract the aim of this study was to assess the affects of agricultural extension programs on the promotion of the efficiency, knowledge and technical expertise of farmers. the study also aimed to analyze the factors affecting the acceptance of agricultural extension programs with regards to process of agricultural development. a survey consisting of 137 samples was conducted between wheat far...

This paper presents an oligopoly model of multiproduct firms in which firms are endowed with possibly different marginal cost and product quality, and choose product ranges before product market competition. Consistent with empirical evidence on a positive relationship between firm size and product diversification, the analysis suggests that firms with higher quality-cost margins typically have...

This study uses 1995 1999 Contingent Workers Supplement and hospital ownership data from the American Hospital Association’s Annual Surveys to how the employer sponsored insurance market responds to changes in hospital ownership. A Nested Multinomial Logit model estimates a two dimensional choice set of availability of an employer based plan and participation in that plan. The model indicates t...

We model two dimensions of bank globalization – bank nationality (a bank from the firm’s host nation, its home nation, or a third nation) and bank reach (a global, regional, or local bank) using a two-stage nested multinomial logit model. Our data set includes over 2,000 foreign affiliates of multinational corporations operating in 20 European nations. We find that these firms frequently use ho...

Incompatibilities between urban transport and land use are rapidly growing in developing countries. Due to this mismatch, vehicle ownership is increasing dreadfully causing urban areas for various problems including congestion and air pollution. This study attempts to investigate the household travel behaviour on vehicle ownership, mode choice and trip sharing aspects by developing a nested log...

This study analyzes the role of logistical variables, competition characteristics and weather conditions in a decision model for flight operations by airlines. We demonstrate that a nested logit model is appropriate on both theoretical and empirical grounds. The sample consists of all flights on Fridays in January 2003. We find that there are positive and significant correlation between daily f...

Prominent features of differentiated product markets are segmentation and proliferation blurring the boundaries between segments. I develop a tractable demand model, Ordered Nested Logit, which allows for asymmetric substitution apply model to automobile market where segments ordered from small luxury. find that consumers, when substituting outside their vehicle segment, more likely switch neig...

the paper examines industrial concentration in iranian food products and beverages industries using firm level data aggregated to the 4-digit isic industry level between 2002 and 2004. based on different concentration indices the average level of concentration has increased slightly for the period of study. the empirical results show that increase in the level of concentration is more likely in...