The reserve price in the big country is V, and the reserve price in the small country is v. The reserve price is assumed to be high enough such that all individuals would want to buy such goods for the prices of the goods subject to tax in both countries.
El precio de reserva del país grande es V, y el precio de reserva del país pequeño es v. Se asume que el precio de reserva es suficientemente alto de manera que, para los precios de las mercancías sujetas al impuesto en los dos países, todos los individuos desearían comprar esas mercancías.