What Is Implied by the Assumption That Individual People Act

question 9

Multiple Choice

What is implied by the assumption that individual people act rationally?  

• A) People think only of themselves and disregard the well-being of others. 
• B) People undertake all those activities that yield benefits to themselves. 
• C) The greater the cost of a charitable deed to a benefactor, the more likely a person is to perform that deed. 
• D) People implicitly calculate the costs and benefits of an activity to decide if it is worthwhile.