Faulty Conclusions Built on Shoddy Foundations

David Min
{"title":"Faulty Conclusions Built on Shoddy Foundations","authors":"David Min","doi":"10.2139/ssrn.2103379","DOIUrl":null,"url":null,"abstract":"The congressionally appointed and bipartisan Financial Crisis Inquiry Commission last month released its final report on the causes of the U.S. financial crises in the first decade of the 21st century. This carefully researched report provides a balanced and thoughtful explanation of the causes of the recent financial crisis, blaming a range of policies implemented by both the Clinton administration and the Bush administration. Like the previous staff reports issued by the FCIC, this final report is excellent and well worth reading.Alas, this final report was issued only by a majority of the FCIC members, as the minority members released a dissent that concluded a narrower set of issues, including federal affordable housing policies, were the driving cause behind the financial crisis. Notably, FCIC minority member Peter Wallison, a senior fellow at the American Enterprise Institute, a conservative think tank based in Washington, D.C., issued his own separate dissent. Based on work done by his AEI colleague Edward Pinto, Wallison concludes federal affordable housing policies were the driving cause behind the financial crisis, causing a decline in underwriting standards that triggered the U.S. housing bubble.Wallison’s conclusion that affordable housing policies were the proximate cause of the financial crisis is integrally based on the claim that “[a]s a result of [U.S. government housing] policies, by the middle of 2007, there were approximately 27 million subprime and Alt-A mortgages in the U.S. financial system — half of all mortgages outstanding — with an aggregate value of over $4.5 trillion.” As Wallison clearly indicates in his FCIC dissent, all of the data that he relies on to form his conclusions come from the research of his AEI colleague Edward Pinto. Pinto’s work also is cited by other prominent conservatives, including U.C. Berkeley Haas Business School Professor Dwight Jaffee, New York University Professor Lawrence J. White, Columbia Business School Professor Charles Calomiris, Cato Institute Senior Fellow Richard Rahn, and Reuters columnist James Pethokoukis.Unfortunately, Pinto’s research is based on a series of faulty assumptions and serious methodological flaws that render his findings unusable. Pinto’s controversial conclusion that federal housing policies were responsible for 19 million high-risk mortgages is based on radically revised definitions for the two main categories of high-risk mortgages, subprime loans and so-called Alt-A mortgages, which refer to loans with low documentation of income and wealth. Importantly, these revised definitions are not consistent with how the terms subprime and Alt-A are ordinarily used, and the performance of these newly designated subprime and Alt-A loans is starkly superior to the performance of actual subprime and Alt-A loans, as this paper will demonstrate.As a result of his dramatically expanded new definitions that are not used by other leading scholars, Pinto’s findings on the extent of subprime and Alt-A exposure are extreme outliers among mortgage market analysts. Pinto’s claim that there were 26.7 million subprime and Alt-A loans outstanding (out of roughly 55 million total) as of June 30, 2008, is exponentially higher than other estimates. In a 2010 report, the nonpartisan Government Accountability Office, the research arm of Congress, found there were only 4.58 million subprime and Alt-A mortgages outstanding at the end of 2009, less than one-fifth of Pinto’s estimate.Similarly, Pinto’s claim that 19 million, or 72 percent of all “subprime” and “Alt-A” mortgages were attributable to federal affordable housing policies is far afield of the conclusions of other analysts. The claim is also difficult to reconcile with the actual data, which indicate the entire federal government (including Fannie and Freddie) owned or guaranteed only 32 percent of seriously delinquent loans despite holding 67 percent of all mortgages. Pinto’s claim that Fannie and Freddie were the primary driver of high-risk mortgages does not stand when the evidence is weighed accurately.Because of Pinto’s anomalous findings, Wallison largely elides over the role of so-called “private-label” mortgage-backed securities in causing the crisis despite the large amount of attention these financial instruments received elsewhere, including in the FCIC majority’s report. This private mortgage financing channel, which does not involve the federal government at all and was policed only minimally, generated only 13 percent of outstanding loans but was responsible for 42 percent of serious delinquencies.Pinto makes numerous other serious errors in his analysis. Case in point: In analyzing the influence of the Community Reinvestment Act, a 1977 antidiscrimination law that simply requires regulated banks and thrifts to lend nondiscriminatorily to low- and moderate-income borrowers and communities within the immediate geographic areas surrounding branch offices of a deposit-taking institution, Pinto includes a large quantity of loans that were not required by CRA or any other equivalent law or regulation. This mistake, coupled with some unsupported assumptions about the riskiness of CRA loans, produces a shockingly high estimate of 2.24 million “subprime” and “high-risk” loans attributable to CRA. This compares to a finding of 378,000 CRA-eligible loans originated during the housing bubble by other leading researchers.Pinto also wrongly blames the affordable housing goals of Fannie and Freddie for the origination of Alt-A loans, which under his analysis account for 65% of the “high risk” mortgages attributable to Fannie and Freddie. In fact, these Alt-A loans (either according to the normal usage of “Alt-A” or Pinto’s newly invented definition of “Alt-A”) would not have qualified for the affordable housing goals.As this paper will demonstrate, these and many other similar methodological flaws are fundamentally embedded in Pinto’s research, making his conclusions fundamentally unreliable and essentially useless for the purpose of understanding either the causes of the housing bubble or the high rates of delinquencies that have occurred during the housing downturn. Yet based in large part on the inaccurate and misleading data peddled by Pinto, many policymakers are advocating inapt and often counterproductive solutions to the financial crisis.This paper is designed to set the record straight on the following specific claims by Pinto that are either wrong or grossly distorted, and to highlight the extremely shaky foundation for the argument found in Wallison’s FCIC dissent that federal affordable housing policies caused the financial crisis.","PeriodicalId":196559,"journal":{"name":"LSN: Consumer Credit Issues (Sub-Topic)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"LSN: Consumer Credit Issues (Sub-Topic)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2139/ssrn.2103379","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract

The congressionally appointed and bipartisan Financial Crisis Inquiry Commission last month released its final report on the causes of the U.S. financial crises in the first decade of the 21st century. This carefully researched report provides a balanced and thoughtful explanation of the causes of the recent financial crisis, blaming a range of policies implemented by both the Clinton administration and the Bush administration. Like the previous staff reports issued by the FCIC, this final report is excellent and well worth reading.Alas, this final report was issued only by a majority of the FCIC members, as the minority members released a dissent that concluded a narrower set of issues, including federal affordable housing policies, were the driving cause behind the financial crisis. Notably, FCIC minority member Peter Wallison, a senior fellow at the American Enterprise Institute, a conservative think tank based in Washington, D.C., issued his own separate dissent. Based on work done by his AEI colleague Edward Pinto, Wallison concludes federal affordable housing policies were the driving cause behind the financial crisis, causing a decline in underwriting standards that triggered the U.S. housing bubble.Wallison’s conclusion that affordable housing policies were the proximate cause of the financial crisis is integrally based on the claim that “[a]s a result of [U.S. government housing] policies, by the middle of 2007, there were approximately 27 million subprime and Alt-A mortgages in the U.S. financial system — half of all mortgages outstanding — with an aggregate value of over $4.5 trillion.” As Wallison clearly indicates in his FCIC dissent, all of the data that he relies on to form his conclusions come from the research of his AEI colleague Edward Pinto. Pinto’s work also is cited by other prominent conservatives, including U.C. Berkeley Haas Business School Professor Dwight Jaffee, New York University Professor Lawrence J. White, Columbia Business School Professor Charles Calomiris, Cato Institute Senior Fellow Richard Rahn, and Reuters columnist James Pethokoukis.Unfortunately, Pinto’s research is based on a series of faulty assumptions and serious methodological flaws that render his findings unusable. Pinto’s controversial conclusion that federal housing policies were responsible for 19 million high-risk mortgages is based on radically revised definitions for the two main categories of high-risk mortgages, subprime loans and so-called Alt-A mortgages, which refer to loans with low documentation of income and wealth. Importantly, these revised definitions are not consistent with how the terms subprime and Alt-A are ordinarily used, and the performance of these newly designated subprime and Alt-A loans is starkly superior to the performance of actual subprime and Alt-A loans, as this paper will demonstrate.As a result of his dramatically expanded new definitions that are not used by other leading scholars, Pinto’s findings on the extent of subprime and Alt-A exposure are extreme outliers among mortgage market analysts. Pinto’s claim that there were 26.7 million subprime and Alt-A loans outstanding (out of roughly 55 million total) as of June 30, 2008, is exponentially higher than other estimates. In a 2010 report, the nonpartisan Government Accountability Office, the research arm of Congress, found there were only 4.58 million subprime and Alt-A mortgages outstanding at the end of 2009, less than one-fifth of Pinto’s estimate.Similarly, Pinto’s claim that 19 million, or 72 percent of all “subprime” and “Alt-A” mortgages were attributable to federal affordable housing policies is far afield of the conclusions of other analysts. The claim is also difficult to reconcile with the actual data, which indicate the entire federal government (including Fannie and Freddie) owned or guaranteed only 32 percent of seriously delinquent loans despite holding 67 percent of all mortgages. Pinto’s claim that Fannie and Freddie were the primary driver of high-risk mortgages does not stand when the evidence is weighed accurately.Because of Pinto’s anomalous findings, Wallison largely elides over the role of so-called “private-label” mortgage-backed securities in causing the crisis despite the large amount of attention these financial instruments received elsewhere, including in the FCIC majority’s report. This private mortgage financing channel, which does not involve the federal government at all and was policed only minimally, generated only 13 percent of outstanding loans but was responsible for 42 percent of serious delinquencies.Pinto makes numerous other serious errors in his analysis. Case in point: In analyzing the influence of the Community Reinvestment Act, a 1977 antidiscrimination law that simply requires regulated banks and thrifts to lend nondiscriminatorily to low- and moderate-income borrowers and communities within the immediate geographic areas surrounding branch offices of a deposit-taking institution, Pinto includes a large quantity of loans that were not required by CRA or any other equivalent law or regulation. This mistake, coupled with some unsupported assumptions about the riskiness of CRA loans, produces a shockingly high estimate of 2.24 million “subprime” and “high-risk” loans attributable to CRA. This compares to a finding of 378,000 CRA-eligible loans originated during the housing bubble by other leading researchers.Pinto also wrongly blames the affordable housing goals of Fannie and Freddie for the origination of Alt-A loans, which under his analysis account for 65% of the “high risk” mortgages attributable to Fannie and Freddie. In fact, these Alt-A loans (either according to the normal usage of “Alt-A” or Pinto’s newly invented definition of “Alt-A”) would not have qualified for the affordable housing goals.As this paper will demonstrate, these and many other similar methodological flaws are fundamentally embedded in Pinto’s research, making his conclusions fundamentally unreliable and essentially useless for the purpose of understanding either the causes of the housing bubble or the high rates of delinquencies that have occurred during the housing downturn. Yet based in large part on the inaccurate and misleading data peddled by Pinto, many policymakers are advocating inapt and often counterproductive solutions to the financial crisis.This paper is designed to set the record straight on the following specific claims by Pinto that are either wrong or grossly distorted, and to highlight the extremely shaky foundation for the argument found in Wallison’s FCIC dissent that federal affordable housing policies caused the financial crisis.
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建立在劣质基础上的错误结论
国会任命的两党金融危机调查委员会上个月发布了关于21世纪头十年美国金融危机原因的最终报告。这份经过仔细研究的报告对最近金融危机的起因进行了平衡而深思熟虑的解释,并将其归咎于克林顿政府和布什政府实施的一系列政策。与FCIC之前发布的员工报告一样,这份最终报告非常出色,值得一读。可惜,这份最终报告只由FCIC的多数成员发布,少数成员发表了一份异议,认为包括联邦经济适用房政策在内的一系列问题是金融危机背后的驱动因素。值得注意的是,FCIC少数党成员、位于华盛顿特区的保守派智库美国企业研究所(American Enterprise Institute)高级研究员沃利森(Peter Wallison)也发表了自己的不同意见。根据他在美国经济研究所的同事爱德华·平托(Edward Pinto)所做的工作,沃利森得出结论,联邦经济适用房政策是金融危机背后的主要原因,导致承保标准的下降,引发了美国的房地产泡沫。沃利森的结论是,经济适用房政策是金融危机的直接原因,这一结论完全是基于这样一种说法,即“[a]是[美国]政策的结果。到2007年中期,美国金融体系中大约有2700万次贷和次优级抵押贷款,占所有未偿还抵押贷款的一半,总价值超过4.5万亿美元。”正如沃利森在他的FCIC异议中明确指出的那样,他得出结论所依赖的所有数据都来自他的AEI同事爱德华•平托(Edward Pinto)的研究。平托的著作也被其他知名保守派人士引用,包括加州大学伯克利分校哈斯商学院教授德怀特·贾菲、纽约大学教授劳伦斯·j·怀特、哥伦比亚大学商学院教授查尔斯·卡洛米里斯、卡托研究所高级研究员理查德·拉恩和路透社专栏作家詹姆斯·佩托库克斯。不幸的是,平托的研究基于一系列错误的假设和严重的方法缺陷,这使得他的发现无法使用。平托得出的有争议的结论是,联邦住房政策要为1900万高风险抵押贷款负责。这一结论是基于对高风险抵押贷款的两大类的定义进行了彻底修改,即次级贷款和所谓的Alt-A抵押贷款,后者指的是收入和财富证明较低的贷款。重要的是,这些修订后的定义与次级和Alt-A术语的通常使用方式不一致,并且这些新指定的次级和Alt-A贷款的表现明显优于实际的次级和Alt-A贷款,正如本文将证明的那样。由于他戏剧性地扩展了其他主要学者没有使用的新定义,平托关于次级和Alt-A风险敞口程度的发现在抵押贷款市场分析师中是极端的异常值。平托声称,截至2008年6月30日,有2670万次贷和Alt-A级贷款未偿还(总计约5500万),这比其他人的估计要高得多。在2010年的一份报告中,无党派的国会研究机构政府问责局(Government Accountability Office)发现,截至2009年底,未偿还的次级和次优级抵押贷款只有458万笔,不到平托估计的五分之一。同样,平托声称1900万,即72%的“次级”和“Alt-A”抵押贷款归因于联邦经济适用房政策,这与其他分析师的结论相距甚远。这种说法也很难与实际数据相一致,实际数据表明,整个联邦政府(包括房利美和房地美)拥有或担保的严重拖欠贷款仅占32%,而持有的抵押贷款占全部抵押贷款的67%。平托关于房利美和房地美是高风险抵押贷款的主要推动者的说法,在对证据进行准确权衡后是站不住脚的。由于平托的异常发现,沃利森在很大程度上忽略了所谓的“自有品牌”抵押贷款支持证券在引发危机中的作用,尽管这些金融工具在其他地方受到了大量关注,包括在FCIC多数人的报告中。这种私人抵押贷款融资渠道根本不涉及联邦政府,监管力度也很低,只产生了13%的未偿还贷款,但却造成了42%的严重违约。平托在他的分析中犯了许多其他严重的错误。 一个恰当的例子:在分析《社区再投资法》的影响时,平托包括了大量CRA或任何其他同等法律或法规没有要求的贷款。《社区再投资法》是1977年颁布的反歧视法,它仅仅要求受监管的银行和储蓄机构向存款机构分支机构周围直接地理区域内的低收入和中等收入借款人和社区提供无差别贷款。这个错误,再加上对CRA贷款风险的一些没有根据的假设,产生了一个惊人的高估计,即224万笔“次级”和“高风险”贷款可归因于CRA。相比之下,其他主要研究人员发现,在房地产泡沫期间,有37.8万笔符合cra条件的贷款。平托还错误地指责房利美和房地美的经济适用房目标导致了Alt-A贷款的产生,根据他的分析,Alt-A贷款占房利美和房地美的“高风险”抵押贷款的65%。事实上,这些次优级贷款(无论是根据“次优级”的正常用法还是平托新发明的“次优级”定义)都不符合经济适用房的目标。正如本文将证明的那样,平托的研究中存在着这些和许多其他类似的方法论缺陷,这使得他的结论从根本上不可靠,对于理解房地产泡沫的原因或房地产低迷期间发生的高拖欠率来说,基本上毫无用处。然而,在很大程度上基于平托兜售的不准确和误导性数据,许多政策制定者正在倡导不恰当的、往往适得其反的金融危机解决方案。本文旨在澄清平托的以下具体说法,这些说法要么是错误的,要么是严重扭曲的,并强调在沃利森的FCIC异议中发现的论点,即联邦经济适用房政策导致了金融危机,这一论点的基础极其薄弱。
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