Rafael Costa Lima
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rafaelcostalima.bsky.social
Rafael Costa Lima
@rafaelcostalima.bsky.social
Professor de Economia, Pimes-UFPE
Teoria, Política e OI.
Economics professor at UFPE
Microeconomics, Politics and IO.
Submissions are open for Lacea 2025, in Recife, Brasil.
May 15, 2025 at 2:40 PM
Separados por 10 lavagens na máquina
December 27, 2024 at 10:46 PM
Finally, we consider a case where consumers are over optimistic about their chances of default. We show that in such cases, the BNPL users' surplus may decrease even if they are paying lower prices.
December 13, 2024 at 9:43 PM
We also show that the efficient contract between the merchant and the BNPL provider is a three-part tariff consisting of a fixed fee, an ad valorem commission, and an interest rate. Importantly, the ad valorem commission equals the interest rate subsidy, to align incentives toward risk-taking.
December 13, 2024 at 9:43 PM
We also explain the contracts between the Merchant and the BNPL provider. The Merchant receives the amount sold at the sale, minus an ad valorem commission charged by the provider. The BNPL provider receives the consumer's payments and bears the risk of default.
December 13, 2024 at 9:43 PM
As a result, credit consumers end up paying lower effective prices while cash consumers end up paying higher prices. So, BNPL has important distributive effects, although the welfare effects are ambiguous.
December 13, 2024 at 9:43 PM
The model shows that merchants use BNPL to segment demand by offering an interest rate subsidy that encourages credit-seeking consumers to buy while allowing merchants to charge higher prices to cash consumers. Essentially, BNPL enables firms to practice third-degree price discrimination.
December 13, 2024 at 9:43 PM
Buy now, pay later (BNPL) provides short-term credit, with virtually no credit verification, no membership fee, and typically at zero interest. The most popular BNPL deal is the pay-in-four, where consumers split a purchase into four biweekly payments. So, credit is evidently subsidized
December 13, 2024 at 9:43 PM
Isso não é nada comparado à pizza de sushi ou ao cuscuz paulista
November 22, 2024 at 6:38 PM
De ja vu!
November 11, 2024 at 12:06 AM
Tem uma grande seleção adversa no pool de ouvintes. Quem tem mais $$ paga plano Premium. Quem quer pagar pra anunciar pra os não pagantes?? O problema é que o Spotify precisa veicular anúncio mesmo se ganhar pouco dinheiro com isso.
September 17, 2024 at 11:38 AM
Pra concluir sem desmerecer o trabalho dos índices de inflação. Para eles vale algo como uma lei dos grandes números. O índice agregado é mais confiável que os desagregados.
September 10, 2024 at 3:14 PM
Não bem é isso. São problemas mais mundanos da sistemática da coleta de preços. Exemplo, em 2014 a equipe me apresentou uma lista das 10 maiores altas e quedas desde o plano real. Achei bacana, divulguei. No final, tudo ali era erro de medição. Foram duas semanas de explicações e pedidos de desculpa
September 10, 2024 at 3:00 PM
Como alguém que já trabalhou numa fábrica dessa salsicha, posso dizer que índices de inflação desagregados por grupos costumam ser problemáticos, especialmente num horizonte de tempo longo.
September 10, 2024 at 2:44 PM