کلیدواژه‌ها = Panel Data Econometrics. JEL Classification: O10
تعداد مقالات: 1

1

Research and Development Investment and Productivity Growth in Firms with Different Levels of Technology

دوره 23، شماره 4، زمستان 2019، صفحه 795-818
Leili Soltanisehat؛ Reza Alizadeh؛ Nader Mehregan


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