R&D and foreign sales in Swedish multinationals: a simultaneous relationship?

Specification Tests in Econometrics

Jerry A. Hausman · Econometrica · 1978 · 18K citations

Applied Economics, Time Series Econometrics, Instrumental Variable Test +17

International Investment and International Trade in the Product Cycle

Raymond Vernon · The Quarterly Journal of Economics · 1966 · 7.5K citations

Industrial Market Structure and Economic Performance.

H. Michael Mann, F. M. Scherer · The Journal of Finance · 1971 · 6.4K citations

Game Theory, Law, Antitrust +18

The Common Structure of Statistical Models of Truncation, Sample Selection and Limited Dependent Variables and a Simple Estimator for Such Models

James J. Heckman · Annals of Economic and Social Measurement · 1976 · 5.1K citations

Econometric Model, Economics, Estimation Statistic +10

Industrial Market Structure and Economic Performance

F. M. Scherer, David Gaddis Ross · 1990 · 2.6K citations

Trade, Law, Market Design +21