Measuring productivity change accounting for adjustment costs: evidence from the food industry in the European Union
本文在数据包络分析框架下扩展了动态生产率变化的测量，将其分解为经济上有意义的组成部分，并利用2004-2012年欧盟食品企业数据，发现多数地区存在技术退步和效率改善，但面包业和东欧企业表现不同，金融危机和农产品价格波动期间指标变化显著。
This paper extends the measurement of dynamic productivity change over time to provide its full decomposition into economically meaningful components in the Data Envelopment Analysis framework. The dynamic approach accounts for dynamics of production decisions via adjustment costs and is visualized as a dynamic Luenberger productivity change indicator. The paper also estimates the dynamic productivity change and its components for a large dataset of European food companies from 2004 till 2012, grouped into Eastern, Southern, and Western regions. The study reveals three main results. First, the overall trend of dynamic technical regress and positive dynamic technical inefficiency change across almost all regions and sectors was found. Second, some differences for this general pattern were found for the bakery industry and for Eastern European firms. Thirdly, there are also some remarkable changes in indicators observed during the periods related to the financial crisis and the volatility of agricultural commodity prices.