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   • Shilpa Sethia

   OriginalPaper 13 January 2022 Pages: 115 - 130

   

2. Measuring and comparing World Bank regions’ ‘ease of doing business’ opportunity sets

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   OriginalPaper 15 January 2022 Pages: 131 - 155

   

3. Environmental efficiency measurement when producers control pollutants under heterogeneous conditions: a generalization of the materials balance approach

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   OriginalPaper Open access 19 January 2022 Pages: 157 - 176

   

4. Technical progress and induced innovation in China: a variable profit function approach

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   OriginalPaper 27 January 2022 Pages: 177 - 191

   

5. The choice of efficiency benchmarking metric in evaluating firm productivity and viability

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   OriginalPaper Open access 09 February 2022 Pages: 193 - 211

   

6. Technical efficiency and firm heterogeneity in stochastic frontier models: application to smallholder maize farms in Ethiopia

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   OriginalPaper Open access 10 February 2022 Pages: 213 - 241