2026-06-08T13:38:28Zhttps://docta.ucm.es/rest/oai/requestoai:docta.ucm.es:20.500.14352/1024242025-03-18T12:51:10Zcom_20.500.14352_14col_20.500.14352_15
Docta Complutense
author
Aparicio, Juan
author
Santín González, Daniel
2024-03-20T13:52:10Z
2024-03-20T13:52:10Z
2024-02-16
Aparicio, J., & Santín, D. (2024). Global and local technical changes: A new decomposition of the Malmquist productivity index using virtual units. Economic Modelling, 134(2), 106674.
0264-9993
10.1016/j.econmod.2024.106674
https://hdl.handle.net/20.500.14352/102424
1873-6122
https://www.sciencedirect.com/science/article/pii/S0264999324000300?via%3Dihub
In estimating productivity change over time, technical change is frequently miscalculated as the geometric average of technological changes between two periods based on firm-specific information in the dataset. However, the frontier shift over time is a global phenomenon linked to relative technological progress or regress across the entire frontiers. In this paper, we fill this gap by determining the technical change using synthetic observations generated at random within a unit hypercube and calculating the distances between them and the two frontiers being evaluated. Accordingly, we propose a decomposition of the Malmquist index's traditional technical change into two components: average global technical change, which is shared by all production units, and local technical change, which captures how each firm experiences global technical change. In this way, our approach establishes a new research avenue in production economics based on using randomly generated virtual points to assess overall phenomena.
eng
Attribution 4.0 International
Global and local technical changes: a new decomposition of the Malmquist productivity index using virtual units
journal article
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URL
https://docta.ucm.es/bitstreams/71de853d-2a34-4258-ba82-63de3734d639/download
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Aparicio Santin 2024 EM 134 Malmquist.pdf
URL
https://docta.ucm.es/bitstreams/504e728d-3587-40f8-b586-1b0122ae6dc6/download
File
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Aparicio Santin 2024 EM 134 Malmquist.pdf.txt