AUTHOR

Karagiannis Giannis

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Agricultural Economics , Applied Research - 2010

The Damage-Control Effect of Pesticides on Total Factor Productivity Growth

The present paper extents the existing literature providing a theoretically consistent framework for decomposing TFP growth taking into account the indirect effect of pesticides use on farm production.

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Production Economics , Theory - 2009

Yet Another Look at Pest Damage and Pesticide Productivity

Using the Lichtenberg-Zilberman-Fox-Weersink damage specification, we develop a short-run, supply-response framework based on rational producer behavior in the presence of damage agents.

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Production Economics , Theory - 2007

Measuring the Accountability of Advertising Expenses in the Presence of Sales Cost Inefficiency and Marketing Spillovers

This paper develops a tractable theoretical framework for analyzing the substitutability between different advertising media, the extent of marketing spillovers in the market, the allocative efficiency of advertising spending, and the sources of total advertising productivity and sales growth.

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Production Economics , Applied Research - 2007

Measuring Technical Efficiency in the Stochastic Varying Coefficient Frontier Model

Due to the assumption that the best practice methods refer to each input separately instead of the whole set of inputs used by a firm, the benchmark technology as defined in the stochastic varying coefficient frontier model may be infeasible and theoretically improper whenever the maximum response coefficients are not coming from the same production unit. To overcome this problem we suggest an alternative procedure for measuring output-oriented and input-specific technical efficiency inspired from the maximum likelihood formulation of the non-neutral frontier model.

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Production Economics , Applied Research - 2005

A Flexible Time-Varying Specification of the Technical Inefficiency Effects Model

The present paper incorporates the Cornwell, Sickless and Schmidt (1990) flexible specification of the temporal pattern of technical efficiency into technical inefficiency effects model. The proposed formulation is then applied to the agricultural sector of the EU and US, during the period 1973-1993.

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Production Economics , Applied Research - 2005

Parametric Decomposition of the Input-Oriented Malmquist Productivity Index: With an Application to Greek Aquaculture

Using a stochastic frontier approach and a tranlog input distance function, this paper implements the input-oriented Malmquist productivity index to a sample of Greek aquaculture farms.

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Agricultural Economics , Applied Research - 2004

Explaining Output Growth with a Heteroscedastic Non-neutral Production Frontier: The Case of Sheep Farms in Greece

This paper extends the primal decomposition of TFP changes to the case of non- neutral production frontiers. Output growth is decomposed into input growth (size effect), changes in technical efficiency, technical change, and the effect of returns to scale.

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Macroeconomics , Applied Research - 2004

Real Money Balances and TFP Growth: Evidence from Developed and Developing Countries

The main objective of this paper is to enrich our knowledge on the true effect of real money balances on the production process.

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Production Economics , Policy - 2003

Sectoral Linkages and Industrial Efficiency: A Dilemma or a Requisition in Identifying Development Priorities?

This paper attempts to provide an empirical evaluation of the potential relationship between sectoral linkages and technical efficiency using the 1996 US input-output tables.

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Production Economics , Theory - 2002

Parametric Decomposition of Output Growth

This paper proposes a tractable approach for analyzing the sources of TFP changes (i.e., technical change, changes in technical and allocative inefficiency, and the scale effect) in a multi-output setting, while retaining the single-equation nature of the econometric procedure used to estimate the parameters of the underlying technology.

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Agricultural Economics , Policy - 2002

Evaluating the Impact of Public and Private Agricultural Extension on Farms Performance: A Non-Neutral Stochastic Frontier Approach

This article attempts to integrate the production- and the efficiency-based approaches for evaluating the impact of extension on farms' performance.

- 1999

Parametric Decompression of Output Growth within an Integrated Primal Approach

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Agricultural Economics , Applied Research - 1999

Measuring Productive Efficiency of Seabass and Seabream Farms in Greece

A stochastic Cobb-Douglas production frontier is used to provide estimates of output-oriented technical efficiency, input-oriented technical efficiency, input allocative efficiency and cost efficiency for a sample of seabass and seabream farms in Greece.

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Agricultural Economics , Applied Research - 1999

Self-Dual Stochastic Production Frontiers and Decomposition of Output Growth: The Case of Olive Growing Farms in Greece

This paper provides a decomposition of output growth among olive-growing farms in Greece during the period 1987-1993 by integrating Bauer’s (1990) and Bravo-Ureta and Rieger’s (1991) approaches.

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Production Economics , Applied Research - 1999

Measuring Technical Efficiency with Panel Data: Results from Competing Models

This paper provides an empirical comparison of time-varying technical inefficiency measures obtained from the econometric estimation of different specifications of the stochastic production frontier model.

- 1998

To comply or Not to Comply with Policy Regulations: The Case of Greek Cotton Growers

- 1998

Environmental Impacts of Agricultural Policies: Aspects in the Presence of Production Uncertainty

- 1998

Proportional Profit Taxes and Resource Management under Production Uncertainty

- 1998

Production Uncertainty Firm: A Further Extension

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