Chapter 1: Tariff-Rebate on Intermediate Inputs for Exportables in a Two-period Model with Learning-from-Exporting -- Chapter 2: Trade Policy during COVID -- Chapter 3: Ronald W. Jones as a General Equilibrium Theorist in a Classical Mold: International Trade through the Ricardo-Viner-Jones...

We present models that allow the use of unskilled and skilled labor as well as capital and land. Thus agriculture, important in developing countries, can be included as well as two types of labor and a single (or two) type(s) of physical capital. The models are related to the simple 3 x 2...