Original sentence: Title I introduced the ability to impose stricter regulations on certain institutions by classifying them as SIFI's (systemically important financial institutions); according to Paul Krugman, this has resulted in institutions reducing risk to avoid such classification
Edited sentence: Title I introduced the ability to impose stricter regulations on certain institutions by classifying them as SIFI's (systemically important financial institutions); according to Paul Krugman, this has allowed institutions to reduce risk-taking so they could to avoid such classification