Give people a deadline, e.g., “please donate before 31 December” (of the current year). (They might also provide a need-based reason for this deadline.)

Alternative tool name:

Tool variation:

Category: Timing/conditionality, income source

Sub-category:

Relevant theories:

Type of evidence:

Evidence strength (ad hoc assessment):

“Deadlines have no effect on the propensity to give.
A longer deadline increases the amount given, conditional on giving”. (result cut?)

Prevalence:

• Now Or Never! The Effect Of Deadlines On Charitable Giving: Evidence From Two Natural Field Experiments

Contributors