Abstract
This study examines the relationship between land use regulation, housing price, and informality, in the metropolitan area of Curitiba, Brazil. Using a simultaneous equation model, the study conducts a spatial regression analysis to understand the magnitude of the effect of urban regulation on formal housing price and the effect of rising formal housing price on the quantity of informal housing.The study finds that for three regulatory variables – minimum plot area, minimum front setback and minimum frontage – land use regulations that limit the density of occupation have a significant positive effect on price. Regulatory variables that affect building height – maximum number of floors and floor-to-area ratio – have the opposite effect, possibly because single and multifamily units are not being analyzed separately. The study also finds that the price of formal housing has a negative effect on the quantity of informal housing in the same location, but this effect turns positive in the adjacent and more distant locations. As expected, the rise in formal housing price in one locality pushes people to the informal sector in more distant neighborhoods. However, in the same locality, a rise in price decreases the quantity of informal housing. The results indicate that high priced areas act as a bar to the development of the informal sector in the same locality, while the informal sector is pushed to the outskirts of the city.
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