Τμήμα Οικονομικών Επιστημών | working papers

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Agricultural Economics , Theory - 2020

Pesticide Use, Health Impairments and Economic Losses Under Rational Farmers Behavior

The present paper develops a novel methodology for measuring the economic losses resulting from the negative health impacts of pesticides while taking into account their role as a damage control agent. To this effect a production model is presented that takes into account both the effect of the health impairment caused by pesticides on labor units and the pest control and crop enhancing properties of pesticides.

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Agricultural Economics , Theory - 2020

Farm and Non-Farm Labor Decisions and Household Efficiency

This paper develops a theoretical framework for modeling farm households' joint production and consumption decisions in the presence of technical inefficiency. Following Lopez (1984), a household model where farmers display different preferences between on-farm and off-farm labor is adopted while their production activity can be subject to technical inefficiency. The presence of technical inefficiency does not only lead to the inability of farmers to achieve maximal output but it will also affect the consumption allocation and the household's labor supply decisions through its effect on both income and on the shadow price of on-farm labor, leading to overall household inefficiency.

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Health Economics , Theory - 2017

Health-Damaging Inputs, Workers Health Status and Productivity Measurement

In many sectors technological conditions of firm production require the use of specific inputs that are at the same time hazardous for firm workers. Safety rules on the application of these health damaging inputs are not always followed. This in turn implies that firms suffer from important productivity losses due to deterioration of their human capital.

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Technological Change , Applied Research - 2012

Information Transmission in Irrigation Technology Adoption and Diffusion: Social Learning, Extension Services and Spatial Effects

In this article we investigate the role of information transmission in promoting agricultural technology adoption and diffusion. We study the influence of two information channels, namely extension services and social learning.

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Production Economics , Theory - 2012

A Supply-Response Model Under Invariant Risk Preferences

In this article we first develop a theoretically consistent supply-response model for producers with invariant preferences facing price risk, and then we empirically apply the model for a group of Cretan olive-oil producers. For doing so, we estimate a Generalized Leontief cost function and we use the price distribution historically faced by individual farmers to induce three different representations of price risk corresponding to the second, third and fourth lp norms. These risk measures are combined with the estimated cost-structure to provide three separate representations of the efficient frontier for the representative producer.

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Technological Change , Applied Research - 2011

Informational Cascades and Technology Adoption: Evidence from Greek and German Organic Growers

The present study aims to empirically analyze the competing effects of social interactions and conversion subsidies on the adoption of organic farming practices.

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Production Economics , Theory - 2009

Productivity Growth and Efficiency under Leontief Technology: An Application to US Steam-Electric Power Generation Utilities

A theoretical framework is developed for decomposing partial factor productivity and measuring technical inefficiency when the underlying technology is characterized by factor non-substitution.

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Production Economics , Theory - 2009

Measurement of Consumption Efficiency in Price-Quantity Space: A Distance Function Approach

In standard consumer demand analysis, it is implicitly assumed that consumers behave optimally and, thus, efficiently. However, optimality is a restrictive assumption to make for consumers’ actual behaviour. This study moves away from this restrictive assumption and develops a theoretical model for the analysis of consumer’s inefficiency in price-quantity space.

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Agricultural Economics , Applied Research - 2006

The Demand for Organic, Integrated-Agriculture, and Conventional Fresh Vegetables: A Censored Inverse Almost Ideal Demand System

The Inverse Almost Ideal Demand System is employed for the empirical analysis of the demand for organic, integrated-agriculture, and conventional fresh vegetables, using a cross section data surveyed in Rethymno, Greece during the 2005-06 period.

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Agricultural Economics , Applied Research - 2006

Measuring Technical Efficiency under Factor Non-Substitution: A Stochastic von Liebig Crop Response Model

The present paper develops an econometric model for measuring input-oriented technical efficiency when the underlying technology is characterized by the lack of substitution between inputs.

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Agricultural Economics , Applied Research - 2003

Information Acquisition and Adoption of Organic Farming Practices: Evidence from Farm Operations in Crete, Greece

The objective of the paper is to model the degree of organic farming adoption as well as the importance of technical information acquisition in the adoption decision process.

- 2001

AUTHOR

Genius Margarita