Which of the Following Is Not a Conclusion Based on the Gneezy

Multiple Choice

Which of the following is not a conclusion based on the Gneezy and Rustichini study of late parental arrivals at Israeli day-care centres?

A) A fine can be thought of as a price.
B) Extrinsic incentives can crowd out intrinsic motivations.
C) Late arrivals actually increased upon the implementation of a fine for arriving late.
D) The introduction of a fine lead to a sharp decline in the incidence of late arrivals.