1.   Economic theory assumed that the company, like the individual entrepreneur, behaved as a profit-maximizing unit.

2.   His economic theory assumes that both labour and capital are perfectly mobile.

3.   In this chapter of the book, we look at a number of new economic theories.

4.   It all sounds like economic theories, you know.

5.   One more positive criticism of the Economic theory of regulation is that it lacks sufficient structure to make it testable.

6.   Standard economic theory would dismiss the effort as naive and counterproductive.

7.   The economic theory of job search has grown into an important aspect of labour economics in recent years.