Answer:
Perfect competition
Step-by-step explanation:
The widget market is best described as a perfectly competitive market. A perfectly competitive market is a type of market without restriction in entry and exit, it is characterized by many sellers of similar products and buyers and there is perfect information about the price of goods. In a perfectly competitive market, due to the free entry and exit, no single producer has an influence over the price of goods. In the long-run, in perfectly competitive market, there is no economic profit because more producers will enter the market if it is profitable thus bringing about competition which will cause average revenue to equal average cost in the long run.