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Market share

Market share, in strategic management and marketing, is the percentage or proportion of the total available market or market segment that is being serviced by a company.
It can be expressed as a company's sales revenue (from that market) divided by the total sales revenue available in that market. It can also be expressed as a company's unit sales volume (in a market) divided by the total volume of units sold in that market.
It is generally necessary to commission market research (generally desk/secondary research, although sometimes primary research) to estimate the total market size and a company's market share
Increasing market share is one of the most important objectives used in business. The main advantage of using market share is that it abstracts from industry-wide macroenvironmental variables such as the state of the economy, or changes in tax policy. According to the national environment, the respective share of different companies changes and hence this causes change in the share market values; the reason can be political ups and downs, any disaster, any happening or mis-happening.
Other objectives include return on investment (ROI), return on assets (ROA), and target rate of profit. Market share has the potential to increase profits as profit leads to more customers with a higher demand for a particular product.

Marketing Management

Marketing management is a business discipline focused on the practical application of marketing techniques and the management of a firm's marketing resources and activities. Marketing managers are often responsible for influencing the level, timing, and composition of customer demand in a manner that will achieve the company's objectives

Definition and scope

There is no universally accepted definition of the term. In part, this is due to the fact that the role of a marketing manager can vary significantly based on a business' size, corporate culture, and industry context. For example, in a large consumer products company, the marketing manager may act as the overall general manager of his or her assigned product category or brand with full profit & loss responsibility. In contrast, a small law firm may have no marketing personnel at all, requiring the firm's partners to make marketing management decisions on a largely ad-hoc basis.
Vispy Doctor of Ormax (www.ormaxworld.com) , India's leading marketing strategy expert, defines marketing management as applying available resources to create or change the perception of a product or service in the eyes of its target audience by the application of research and communication media.
In the widely used text Marketing Management (2006), Philip Kotler and Kevin Lane Keller define marketing management as "the art and science of choosing target markets and getting, keeping and growing customers through creating, delivering, and communicating superior customer value." [1]
From this perspective, the scope of marketing management is quite broad. The implication of such a definition is that any activity or resource the firm uses to acquire customers and manage the company's relationships with them is within the purview of marketing management. Additionally, the Kotler and Keller definition encompasses both the development of new products and services and their delivery to customers.
Noted marketing expert Regis McKenna expressed a similar viewpoint in his influential 1991 Harvard Business Review article "Marketing is Everything." McKenna argued that because marketing management encompasses all factors that influence a company's ability to deliver value to customers, it must be "all-pervasive, part of everyone's job description, from the receptionists to the Board of Directors." [2]
This view is also consistent with the perspective of management guru Peter Drucker, who wrote: "Because the purpose of business is to create a customer, the business enterprise has two--and only these two--basic functions: marketing and innovation. Marketing and innovation produce results; all the rest are costs. Marketing is the distinguishing, unique function of the business."[3]
But because many businesses operate with a much more limited definition of marketing, such statements can appear controversial, or even ludicrous to some business executives. This is especially true in those companies where the marketing department is responsible for little more than developing sales brochures and executing advertising campaigns.
The broader, more sophisticated definitions of marketing management from Drucker, Kotler and other scholars are therefore juxtaposed against the narrower operating reality of many businesses. The source of confusion here is often that inside any given firm, the term marketing management may be interpreted to mean whatever the marketing department happens to do, rather than a term that encompasses all marketing activities -- even those marketing activities that are actually performed by other departments, such as the sales, finance, or operations departments.[4] If, for example, the finance department of a given company makes pricing decisions (for deals, proposals, contracts, etc.), that finance department has responsibility for an important component of marketing management -- pricing.