Measurement of Government Intervention: A Comparison of Alternative Concepts
比较了不同政府干预测量概念，分析农业保护在工业化与发展中国家的模式，并图解不同市场条件下各概念捕捉的政策效果。
The variation in protection awarded to agricultural commodities indicates some general patterns of protection across industrialized and developing countries. This paper provides an analytical overview of the political economy market of agricultural protection. A comprehensive comparative analysis of different measurement concepts and their respective polio coverage is discussed. A graphic exposition of the policy effects captured by selected measurement concepts is provided for different market conditions.