Explanation:

Marketing effectiveness is the measure of how effective a given marketer's go to market strategy is toward meeting the goal of maximizing their spending to achieve positive results in both the short- and long-term. It is also related to marketing ROI and return on marketing investment (ROMI).

Marketing expert Tony Lennon believes marketing effectiveness is quintessential to marketing, going so far as to say It's not marketing if it's not measured.
The concept of marketing effectiveness first came to prominence in the 1990s with the publication of Robert Shaw's Improving Marketing Effectiveness which won the 1998 Business Management Book of the Year Award. Successful marketing supplies targeted consumers with goods and services they need at prices they can afford.

• Define Your Market. Successful marketing starts with market research. ...
• Identify Customer Needs. 
• Determine Pricing. 
• Start Promotion. 
• Make the Sales.