A new study suggests that distressed borrowers using a simpler bankruptcy process are succeeding — and that more people like them should try.

Serhii Tyschenko, a Ukrainian combat medic, spent 472 days in a bunker. His case appears to be an extreme example of a problem that has long plagued Kyiv’s military.

The National Kidney Registry has matched thousands of kidney donors with recipients. It has also paid millions of dollars to a company owned by its founder.

Records show how government departments played down residents’ warnings about corrupt practices and substandard materials that fueled the deadly blaze.