Learning from input-output mixes in DEA: a proportional measure for slack-based efficient projections

Article Abstract:

Several Data Envelopment Analysis (DEA) models are unreliable when used on data having slacks or zeros. An additive DEA model can address these problems, but its associated scores lack intuitive interpretation. Another efficiency measure that is constructed from the additive results is devised. It has an input and output version and can be decomposed into a Debreu-Farrell and an Implicit Price Correspondence component. It allows relative inefficiency to be regarded as resulting from a divergence of implicit cost price vectors and a very high cost level even after adjusting the implicit cost prices.

Models, Data envelopment analysis

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The cyclical relationship between exports and output in the UK: 1885-1993

Article Abstract:

The structural time-series model of Harvey was used to study the cyclical relationship of exports and output fluctuations in the UK economy in the 1885-1993 period. The study revealed that the relationship of the export-output could have been more efficient if exports gained the profits needed to import capital goods and the technology needed for economic growth. The absence of causality from exports to output was seen in the causality testing except for the post-1945 period.

Exports of Goods & Services, Intnl Marketing, United Kingdom, Exports, Gross domestic product, Export marketing, Time-series analysis, Time series analysis

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Price flexibility and output variability: what do we learn from disaggregate data?

Article Abstract:

The impact of price flexibility on output variability is studied. It is shown that price flexibility has a stabilizing effect on cyclical fluctuations in industrial real output. However, the variability of industrial output growth increases when price flexibility is caused by higher demand variability. Higher demand variability can also intensify fluctuations in real output growth which undermines the effects of increased price flexibility.

Analysis, Industrial productivity

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