Final answer:
The varied outcomes of the "dot-com" companies in the 1990s can be explained by the operation of the market in a market economy. In this case, the correct answer is a. New regulations were passed, creating profit expectations; new firms entered; prices fell; and most firms failed.
Step-by-step explanation:
The varied outcomes of the "dot-com" companies in the 1990s can be explained by the operation of the market in a market economy. In this case, the correct answer is a. New regulations were passed, creating profit expectations; new firms entered; prices fell; and most firms failed.
In a market economy, companies can succeed or fail due to factors such as regulations, competition, and market shifts. In the case of the "dot-com" companies, new regulations and increased competition led to a decrease in prices and ultimately the failure of most firms.