This paper analyzes the increasing tariff protection in the Spanish ir
on and steel industry over the first third of the 20th Century. Learni
ng effects are explicitly included to model a dynamic game of trade li
beralization. The government chooses the tariff level while firms deci
de how much to produce each period. Firms' production decisions determ
ine their future cost levels. Assuming that learning reduces only fixe
d costs, the dynamic game may be solved in closed form, so that the op
timality and time consistency of the actual policy can be evaluated. F
urthermore, the model is used to measure the relative importance of pr
oducers and consumers on the government's equilibrium tariff strategy.
The model is calibrated for: year 1913 and it is shown that the exist
ence of important, unexploited, dynamic economies of scale may have ju
stified high tariff levels at that time. In addition the results also
show that the Spanish iron and steel producers behaved more competitiv
ely than what is commonly assumed, and that the government's protectio
n policy was not significantly conditioned by steel producers. (C) 199
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