What is a major drawback of sole proprietorship?

During which of the following phases of the business cycle does the real gdp fall? a. trough b. expansion c. contraction d. peak

Banana computers has decided to procure processing chips required for its laptops from external suppliers instead of manufacturing them in their own facilities. how will this decision affect the firm? a. the firm will be protected against the principal-agent problem. b. the firm's administrative costs will be low because of necessary bureaucracy. c. the firm will have more flexibility in purchasing and comparing prices of goods and services. d. the firm will have high-powered incentives, such as hourly wages and salaries.

What business practice contributed most to andrew carnegie’s ability to form a monopoly?