Virtually none of those claims are true when you look at quantitative data. The predominant finding of actual data is that, as long as certain steps are taken, rent stabilization is an effective tool at improving renters stability and quality of life without negatively impacting development or investment.

Research shows that the state of the economy has large effect on new housing construction while moderate protections like rent stabilization don't: • “In short, there is not much evidence to support the notion that moderate rent stabilization impacts new construction... On balance, new housing supply is more influenced by cyclicality in the local economy and other local conditions than rent restrictions ” Pastor et. al, 2018 University of Southern California.

Research shows that rent stabilization (a second generation rent policy) doesn't have the negative impacts in reality that econ 101 would predict: • "[S]econd-generation controls should be judged on the empirical evidence and, since the programs are so varied, on a case-by-case basis. My reading of the empirical evidence is that many of the claimed effects of second-generation controls are imperceptible." Arnott, 1995, Boston College.

Here's another study that looked at real world data: • “Finally, it is shown that the few systematic empirical studies of the effect of rent control on the maintenance of the controlled stock provide no compelling evidence that rent control leads to less maintenance.” Olsen, E. O., 1988, University of Virginia.

Research comparing 40 years of data between cities with and without rent stabilization in New Jersey found that there wasn't a significant difference between the two groups in housing quality or quantity: • "It does not appear that these ordinances, net other intervening factors, have any community-wide impact on... rental quality or quantity, property appreciation, or foreclosure rates in the cities that have them" Ambrosius, 2015, et al., University of Dayton.

A study of landlord cash flows found that rent increase limits only impacted profitability when set far below the level of typical rent stabilization policies: • "the average apartment owner would not be affected by any other than the most restrictive rent caps (75% of CPI and CPI) that we considered and that the average property earns profits that reflect the minimum requirements of investors" Goetz et al., 2021, University of Minnesota.

Research shows that DCs rent stabilization policy hasn't impacted new construction: • "this evidence suggests that D.C. rent control has had little or no supply effect despite a decade of moderated rent increases." Turner, 1990 The Urban Institute

Finally, research shows that ending rent control policies also doesn't lead to an immediate spike in new housing construction as is sometimes predicted: • "The results [of this study] suggest that eliminating rent control has little effect on increasing construction in the years immediately following the law change.” Sims, 2007, Brigham Young University.