Помогите разобраться со следующими предложениями. Желателен литературный вариант (это перевод для госэкзамена).
Речь идет о советской экономике.
1. Since input prices have not reflected relative scarcities, they have given the improper signals to producers.
2. In 1988, the Soviet Union legalized cooperatives, small businesses that are as close as the nation has come to free enterprise.
3. There were increased pressure for economic reforms.