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 Koen Declerq  

 Joana Elisa Maldonado  

 De Witte Kristof  

 (2021).

   The effects of parental involvement in homework: two randomised controlled trials in financial education 

Empirical Economics, (2021).

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This paper provides causal evidence on the effects of parental involvement on stu- dent outcomes in a financial education course based on two randomised controlled trials with a total of 2,779 students from grade 8 and 9 in Flanders. Using an ex- perimental design with three treatment groups, the impact of parental involvement in homework is distinguished from the standalone impact of the classroom inter- vention and homework itself. Intention-to-treat analysis reveals that access to the intervention effectively improves students’ financial literacy in the two dimensions of knowledge and behaviour. The classroom intervention combined with a homework assigned to be completed with the parents increases financial literacy by 0.38 stan- dard deviations. On average, the added value of prompting parental involvement in homework is not statistically significant. Yet, stimulating parental involvement has significant positive effects on behaviour for disadvantaged students.

Keywords : scientific publication, education economics,

 Olivier Bos  

 Francisco Gomez-Martinez  

 Sander Onderstal  

 Tom Truyts  

 (2021).

   Signalling in auctions : Experimental evidence 

_Journal of Economic Behavior and Organization 187 – April 2021.

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We study the relative performance of the first-price sealed-bid auction, the second-price sealed-bid auction, and the all-pay sealed-bid auction in a laboratory experiment where bidders can signal information through their bidding behaviour to an outside observer. We consider two different information settings: the auctioneer reveals either the identity of the winning bidder only, or she also reveals the bidders’ payments to an outside observer. We find that the all-pay sealed-bid auction in which the bidders’ payments are revealed outperforms the other mechanisms in terms of revenue, while this mechanism underperforms in terms of efficiency relative to the winner-pay auctions.

Keywords : scientific publication, game theory,

 Tom Truyts  

 Olivier Bos  

 (2020).

   Auctions with signaling concerns. 

Journal of Economics & Management Strategy - Vol. 30, p. 420-448 (2021).

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We study a symmetric private value auction with signaling, in which the auction outcome is used by an outside observer to infer the bidders’ types. We elicit conditions under which an essentially unique D1 equilibrium bidding function exists in the second-price auction and the English auction. We establish there is no equivalence between these two auction designs, neither in bidding strategies nor in expected revenue. This is because the presence or absence of an increasing price clock, affects signaling incentives differently in both auction formats, and thereby also the bidders’ incentives to overbid their types. This leads to a strictly higher expected revenue in the second-price auction than in the English auction. Our analysis is completed by a comparison with other disclosure policies. Applications include art auctions and charity auctions.

Keywords : scientific publication, game theory,

 Koen Declerq  

 Olivier De Groote  

 (2020).

   Tracking and specialization of high schools: Heterogeneous effects of school choice 

Journal of Applied Econometrics, (2021).

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We analyze the impact of choosing an elite school on high school graduation in an early tracking system in Flanders (Belgium). Whereas elite schools offer only an academic track, most other schools offer multiple tracks. On average, students experience a 3.3 percentage point increase in the likelihood of obtaining a degree. We find that the effects are heterogeneous. On average, students who self-select into elite schools do not experience an effect. However, students who do not choose an elite school would experience positive effects. Our results can be explained by different tracking decisions in both types of schools.

Keywords : scientific publication, education economics,

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