نتایج جستجو برای: productivity change

تعداد نتایج: 668574  

Journal: :ژورنال بین المللی پژوهش عملیاتی 0
r. eslami m. khoveyni

the malmquist productivity index evaluates the productivity change of a decision making unit (dmu) between two time periods. in this current study, a method is proposed to compute the malmquist productivity index in several time periods (from the first to the last periods) in data envelopment analysis (dea) and then, the obtained malmquist productivity index is compared with malmquist productiv...

1995
Martin Neil Baily

A longstanding puzzle of empirical economics is that average labor productivity declines during recessions and increases during booms. This paper provides a framework to assess the empirical importance of competing hypotheses for explaining the observed procyclicality. For each competing hypothesis we derive the implications for cyclical productivity conditional on expectations of future demand...

2017
Lizhan Cao Junxia Ren

Under the concept of metafrontier, technology gap ratio is alternatively interpreted as potential energy efficiency. Combined with Malmquist index framework and Shephard energy distance function, we then develop a metafrontier Malmquist energy productivity index to analyze the total-factor energy productivity growth with four specific components: groupfrontier efficiency change index, groupfron...

2010
Nicholas Dulvy Emmanuel Chassot Johanna Heymans Kimberly Hyde Daniel Pauly Trevor Platt Kenneth Sherman

Climate-driven variation on the timing and location of phytoplankton blooms has profound effects on the number of larval fish and invertebrates surviving and recruiting each year, and ultimately on the structure and dynamics of marine ecosystems. The spring phytoplankton bloom is the only source of food for many fish and invertebrate larvae. The degree of spatial and temporal overlap of the spr...

2004
Barbara Casu Claudia Girardone Philip Molyneux

This paper compares parametric and non-parametric estimates of productivity change in European banking between 1994 and 2000. Productivity growth has also been further decomposed into technological change, or change in best practice, and efficiency change. Both the parametric and non-parametric approaches consistently identify those systems that have benefited most (and least) from productivity...

2004
Wei-Kang Wong

This paper quantifies the contributions of sectoral productivity growth and structural change to aggregate productivity convergence. Existing evidence is inconclusive because it focuses on convergence within sector and its methodology depends sensitively on the conversion factor used to compare sectoral productivity levels across countries. Thus, a methodology – β-decomposition – is proposed to...

2015
Olga Goncalves

This paper analyses French ski resorts productivity with the Luenberger productivity indicator (LPI) based on the directional distance function. It permits the calculation of a productivity indicator that is decomposed into technical efficiency change and technological change. The conclusions are that productivity decreased for the majority of French ski resorts, which is almost always explaine...

The present study used different categories of organized sector manufacturing industries pooled data for the periods of 1981-82 and 2007-08 in Haryana state (India). The present undertaking seeks to analyze the inter-temporal and inter-industry comparison of total factor productivity (TFP) measured by Malmquist productivity index - an application of DEA which calculates the indices of TFP and i...

1997
Joel Darmstadter Brian Kropp John E. Tilton

Labor productivity in U.S. coal mining increased at an average annual rate of slightly over four percent during the past 45 years. This report examines key factors contributing to that record particularly, technological innovation in both surface and underground mining and concurrent geographic shifts in U.S. coal production. Health, safety, and environmental regulations introduced in the sixti...

Journal: Iranian Economic Review 2000

This paper is concerned with the estimation of total factor productivity (TFP) growth for the Iranian electric utilities during the period 1980-1993 on the basis of panel data. A translog cost function is used which accommodates firm - specific variability through a one - way error component model. The results show that the Iranian electricity supply industry experienced increasing returns to s...

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