Meeting with Charlie Sprenger

Brandon Williams

Caltech Behavioral/Experimental Workshop

June 19, 2025

Main Question

1st

3rd

2nd

4th

5th

JM

Mostly bad ideas

5th

Very productive

Fellowship year

Backwards induction

How do I spend the next year(s) developing my research portfolio strategically?

What I've Been Working On

  •  
    • Ten rounds with an easy task or the hard task base pay plus $X (Oprea, 2020)

LHS:

Constant

Difficulty

RHS:

Varying

Difficulty

Always

Pays $.50

If Correct

$X 

If Correct

Choose

$X

Incentives: time taken (effort)

★ ★ ★

-22%

★ ★ ★

+21%

Delegation treatment:

offer a range

Take it or leave it:

single offer

Results

  • We should expect efficiency gains from the delegation mechanism                                                 
  • Chat should generate more efficient outcomes for take-it-or-leave-it but not for delegation

Meaningful efficiency

gains through delegation

Meaningful efficiency

gains through chat

Limited efficiency

gains through chat

  • Are redistributive preferences (partially) determined by who will benefit from redistribution?
    • Preferences about implemented inequality
    • Social in- and out-group, focusing on ethnicity
    • Under-performing or unlucky in-group benefits from redistribution; advantaged in-group benefits from "libertarian" outcomes
  •  
    • What is the function of in-group relationship that informs one's willingness to redistribute?

Pr(redistributing)

% share disadvantaged co-ethnic group

Copy of caltech delegation

By bjw95

Copy of caltech delegation

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