An effective marketing strategy is vital for any business which aspires to succeed in a competitive and increasingly global marketplace. Because of this, skilled marketing managers are sought after by businesses and other organizations. The level of knowledge and expertise required is high, and marketing management degrees offer a thorough grounding in the many aspects of marketing theory and practice. Marketing is a discipline in itself, involving development of marketing strategy, matching of goods and services to customers, and overseeing effective publicity. Marketing management degrees may also include courses on sales, public relations, advertising, and promotions. In larger organizations, these functions are likely to be undertaken by specialists. In smaller companies, you may undertake some or all of them yourself.