David R. Just

1. Internal and External Validity in Economics Research: Tradeoffs between Experiments, Field Experiments, Natural Experiments, and Field Data
   2009/09/15 by Brian E. Roe, David R. Just · 15 citations
   Economics, Econometrics and Finance · Agricultural and Biological Sciences · #Economics of Agriculture and Food Markets #Economic and Environmental Valuation #Agricultural Innovations and Practices