Score contribution per author:
α: calibrated so average coauthorship-adjusted count equals average raw count
•The Low-Income Housing Tax Credit (LIHTC) cost US taxpayers $8.4 billion in 2017.•The LIHTC subsidizes up to 103% of non-land development cost of rent-restricted units.•States receive equal per-capita allocations regardless of whether housing is affordable.•Future allocations should be made refundable and targeted to markets with greatest need.