Identify the concept of entrepreneurial motivation that implies a desire to accomplish something difficult.

Option 1 -> Need for Power refers to the desire to influence, control, or have authority over others, not specifically about accomplishing difficult tasks.

Option 2 -> Need for Achievement is the drive to excel, accomplish challenging goals, and master complex tasks - directly relates to doing something difficult.

Option 3 -> Need for Affiliation focuses on building relationships and being accepted by others, not about accomplishing difficult objectives.

Option 4 -> Need for Autonomy represents the desire for independence and self-direction, not specifically about tackling difficult challenges.

Hence, Option 2: Need for Achievement -> This is the core entrepreneurial motivation concept identified by David McClelland that implies a desire to accomplish something difficult. Entrepreneurs with high need for achievement set challenging goals, take calculated risks, and seek personal responsibility for solving problems and attaining excellence. -> correct