“…In Vietnam, 30% of children under 6 years old live with grandparents (according to the 2020 VHLSS), and it is common that grandparents provide childcare for small children. Recent studies show that becoming grandparents substantially reduces the labor force participation of older people (Rupert and Zanella, 2018;Frimmel et al, 2022), and childcare by grandparents significantly increases women's labor supply of (e.g., Maurer-Fazio et al, 2011;Zanella,2017;Garcia-Moran, E., & Kuehn, 2017;Halim et al, 2021). For our case study, the cash transfer reduces the labor force participation of older people, who subsequently provide childcare for younger people to find wage jobs in the labor market.…”