Equation (2.1) says that trade between any two countries is proportional to the product of their GDPs. Does this mean that if the GDP of every country in the world doubled, world trade would quadruple? | Numerade

Equation (2.1) says that trade bet ween any two countries is proportional to the product of their GDPs. Does this mean that if the GDP of every country in the world doubled, world trade would quadruple? Analyze this question using the simple example shown in Table 2-2. | Numerade