This report discusses the stages of consumer journey, influences of decision-making process in B2B and B2C, difference in market research between B2B and B2C, and how marketers can influence the different stages of decision-making process of B2B and B2C. It includes rational decision-making model, heuristics, elements of marketing mix, electronic retailing, and factors affecting decision-making process. The report also highlights the importance of decision-making process for marketers and how they can influence the different stages of decision-making process.