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Using Python for Text Analysis in Accounting Research 用Python进行会计研究中的文本分析
Pub Date : 2020-09-23 DOI: 10.1561/1400000062
Vic Anand, Khrystyna Bochkay, Roman Chychyla, A. Leone
The prominence of textual data in accounting research has increased dramatically. To assist researchers in understanding and using textual data, this monograph defines and describes common measures of textual data and then demonstrates the collection and processing of textual data using the Python programming language. The monograph is replete with sample code that replicates textual analysis tasks from recent research papers.In the first part of the monograph, we provide guidance on getting started in Python. We first describe Anaconda, a distribution of Python that provides the requisite libraries for textual analysis, and its installation. We then introduce the Jupyter notebook, a programming environment that improves research workflows and promotes replicable research. Next, we teach the basics of Python programming and demonstrate the basics of working with tabular data in the Pandas package.The second part of the monograph focuses on specific textual analysis methods and techniques commonly used in accounting research. We first introduce regular expressions, a sophisticated language for finding patterns in text. We then show how to use regular expressions to extract specific parts from text. Next, we introduce the idea of transforming text data (unstructured data) into numerical measures representing variables of interest (structured data). Specifically, we introduce dictionary-based methods of 1) measuring document sentiment, 2) computing text complexity, 3) identifying forward-looking sentences and risk disclosures, 4) collecting informative numbers in text, and 5) computing the similarity of different pieces of text. For each of these tasks, we cite relevant papers and provide code snippets to implement the relevant metrics from these papers.Finally, the third part of the monograph focuses on automating the collection of textual data. We introduce web scraping and provide code for downloading filings from EDGAR.
文本数据在会计研究中的重要性急剧增加。为了帮助研究人员理解和使用文本数据,本专著定义和描述了文本数据的常用度量,然后演示了使用Python编程语言收集和处理文本数据。该专著充满了从最近的研究论文复制文本分析任务的示例代码。在本专著的第一部分中,我们提供了入门Python的指导。我们首先描述Anaconda (Python的一个发行版,它提供了文本分析所需的库)及其安装。然后我们介绍Jupyter notebook,这是一个改进研究工作流程并促进可复制研究的编程环境。接下来,我们将教授Python编程的基础知识,并演示如何处理Pandas包中的表格数据。专著的第二部分侧重于会计研究中常用的具体文本分析方法和技术。我们首先介绍正则表达式,这是一种用于在文本中查找模式的复杂语言。然后我们将展示如何使用正则表达式从文本中提取特定部分。接下来,我们介绍将文本数据(非结构化数据)转换为表示感兴趣变量(结构化数据)的数值度量的思想。具体来说,我们介绍了基于词典的方法:1)测量文档情感,2)计算文本复杂性,3)识别前瞻性句子和风险披露,4)收集文本中的信息数字,以及5)计算不同文本片段的相似性。对于这些任务中的每一个,我们都引用相关的论文,并提供代码片段来实现这些论文中的相关度量标准。最后,专著的第三部分侧重于文本数据收集的自动化。我们介绍了网页抓取,并提供了从EDGAR下载文件的代码。
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引用次数: 11
Section 267a and the Taxation of Hybrid Mismatches Under the Code 法典第267a条和混合错配税
Pub Date : 2020-09-10 DOI: 10.2139/ssrn.3690149
S. Moyal
Hybrid mismatches are differences in tax rules between countries. It has been one of the main tools for multinationals to minimize their tax liabilities. As such, it has been a subject of concern for many legislators, international tax scholarship, and countries worldwide and evoked intriguing intellectual discussions on their legitimacy and how to address them. Indeed, this issue encompasses many complex issues, including the differences between accounting for the legal and economic situations of taxpayers, corporate and individual taxpayers, international tax and international law, distinguishing different types of income and more. These considerations are taken into account to address the conflict between the jurisdictions’ freedom to tax their subjects as they wish and their fight against base erosion and tax competition to ensure their ability to redistribute wealth in their societies. The recently enacted hybrid rules were designed to disallow deductions from payments of interest, royalties, and dividends by or from foreign related parties if such related parties are not already taxed for these payments. The legislative intent, structure of these sections, and the similarities between the first OECD’s Base Erosion and Profit Shifting show that these sections are international customary law. As such, this paper seeks to analyze and improve the current law by leaning on international tax principles and recent international tax trends, and argues that a BEAT-like minimum tax approach to these hybrid payments would apply the international tax principles substantially and coherently better as it prevents double non-taxation as well as de-minimis taxation and over taxation. In addition, this approach may reduce the complexity of the current law.
混合错配是指国家间税收规则的差异。它一直是跨国公司减少纳税义务的主要工具之一。因此,它一直是许多立法者、国际税务学者和世界各国关注的主题,并引发了关于其合法性以及如何解决这些问题的有趣的智力讨论。事实上,这个问题包括许多复杂的问题,包括对纳税人的法律和经济情况、公司和个人纳税人、国际税收和国际法、区分不同类型的收入等等的会计核算之间的差异。考虑到这些因素,以解决司法管辖区按照自己的意愿对其臣民征税的自由与防止税基侵蚀和税收竞争以确保其在社会中重新分配财富的能力之间的冲突。最近颁布的混合规则旨在禁止从外国关联方支付的利息、特许权使用费和股息中扣除,如果这些关联方尚未就这些支付纳税。这些章节的立法意图、结构以及经合组织第一次税基侵蚀和利润转移之间的相似性表明,这些章节是国际习惯法。因此,本文试图通过借鉴国际税收原则和最近的国际税收趋势来分析和改进现行法律,并认为对这些混合支付采用类似于beat的最低税收方法将更好地有效和连贯地应用国际税收原则,因为它可以防止双重不征税以及最低税收和过度征税。此外,这种方法可以降低现行法律的复杂性。
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引用次数: 0
Biennial Taxes – A Simple Solution to Rising Tax Non-Compliance, Shrinking IRS Budgets, and Increasing Taxpayer Burden 两年一次的税收-一个简单的解决方案,增加税收不合规,减少国税局预算,增加纳税人的负担
Pub Date : 2020-09-09 DOI: 10.2139/ssrn.3689246
Jeffrey A. Dubin, Emma J Cockerell
Each year, individual tax non-compliance causes billions of dollars of lost tax revenue. While the Internal Revenue Service (IRS) conducts examinations of select returns, the audit rate fell precipitously in past decades. Meanwhile, the number of individual returns grew and return complexity rose. Individuals face a dauntingly complex tax code that requires the assistance of paid preparers. More than ever, the IRS experiences greater demands for assistance from taxpayers but fewer resources to fulfill these demands. Instead of the oft-proposed IRS budget increase, we propose a simple and pragmatic, but transformative, solution: biennial filing and collection of taxes, which would minimize taxpayer and paperwork burdens, free up IRS funding, and result in a de facto doubling of the audit rate. In aggregate, the plan is estimated to save $74 – $83 billion for the IRS and the American public.
每年,个人税收违规导致数十亿美元的税收损失。虽然美国国税局(IRS)对部分纳税申报单进行审查,但在过去几十年里,审计率急剧下降。与此同时,个人回报数量增加,回报复杂性上升。个人面临着极其复杂的税法,需要有偿报税员的帮助。国税局比以往任何时候都更需要纳税人的帮助,但满足这些需求的资源却越来越少。我们提出了一个简单、务实、但具有变革意义的解决方案:每两年申报和收税,这将最大限度地减少纳税人和文书工作的负担,释放国税局的资金,并导致事实上的审计率翻倍。总的来说,该计划预计将为美国国税局和美国公众节省740亿至830亿美元。
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引用次数: 0
Royalty Taxation under Profit Shifting and Competition for FDI 利润转移与FDI竞争下的特许权使用费税收
Pub Date : 2020-09-09 DOI: 10.2139/ssrn.3689736
Steffen Juranek, Dirk Schindler, Andrea Schneider
Multinational corporations increasingly use royalty payments for intellectual property rights to shift profits globally. This threatens not only the tax base of countries worldwide, it also affects the nature of competition for foreign direct investment (FDI). Against this background, our theoretical analysis suggests a surprising solution to the problem of curbing profit shifting without suffering major FDI losses: A strictly positive withholding tax on royalty payments is both the Pareto-efficient solution under international coordination and the optimal unilateral response. If internal debt is sufficiently responsive, governments can even implement Paretooptimal targeting. Then, the royalty tax closes the profit-shifting channel, while all competition for FDI is relegated to internal-debt regulation. Our results question the ban of royalty taxes in double tax treaties and the EU Interest and Royalty Directive.
跨国公司越来越多地利用知识产权的特许权使用费在全球范围内转移利润。这不仅威胁到世界各国的税基,也影响到外国直接投资竞争的性质。在此背景下,我们的理论分析提出了一个令人惊讶的解决方案,可以在不遭受重大外国直接投资损失的情况下遏制利润转移:对特许权使用费征收严格正的预扣税既是国际协调下的帕累托有效解决方案,也是最优单边应对方案。如果国内债务足够敏感,政府甚至可以实施Paretooptimal目标。然后,特许权使用费税关闭了利润转移的渠道,而所有对外国直接投资的竞争都被降级为内部债务监管。我们的研究结果质疑在双重征税条约和欧盟利益和版税指令中禁止版税。
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引用次数: 2
Tax Specific Versus Generic Accounting-Based Textual Analysis and the Relationship with Effective Tax Rates: Building Context 基于税收特定与一般会计的文本分析及其与有效税率的关系:构建语境
Pub Date : 2020-09-01 DOI: 10.2139/ssrn.3684838
Eric J. Allen, D. O’Leary, Hao Qu, Charles W. Swenson
A growing literature, typically using “bags of words” dictionaries, examines the information content of text in financial accounting disclosures. We generate context for our text analysis to help predict effective tax rates using two approaches. First, we create tax-specific, expert-derived, dictionaries and, second, we generate the counts for those bags of words using text taken from tax-related discussions of the Form 10-K, as opposed to its entirety. We find that using expertise provides more information than simply using general accounting and finance dictionaries. In addition, we find that generating general accounting text variable values from tax-related content in the Form 10-K provides statistically significant improvement in model fit. Contrary to more generic accounting and finance word-based text analysis, we find that the signs on our positive and negative tax event dictionaries are different and are consistent with theoretical expectations through each of our modeled time periods.
越来越多的文献,通常使用“词汇袋”字典,检查财务会计披露文本的信息内容。我们使用两种方法为文本分析生成上下文,以帮助预测有效税率。首先,我们创建专门针对税收的、专家派生的词典;其次,我们使用从10-K表格中与税收相关的讨论中提取的文本,而不是完整的文本,生成这些单词的计数。我们发现,使用专业知识比简单地使用一般会计和财务词典提供更多的信息。此外,我们发现从10-K表格中与税收相关的内容生成一般会计文本变量值在模型拟合方面提供了统计上显著的改进。与更通用的会计和金融基于单词的文本分析相反,我们发现我们的正面和负面税收事件字典上的标志是不同的,并且通过我们的每个建模时间段与理论预期一致。
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引用次数: 3
Determinants and Consequences of Auditor Provided Tax Services: A Systematic Review of the International Literature 审计师提供税务服务的决定因素和后果:国际文献的系统回顾
Pub Date : 2020-08-19 DOI: 10.2139/ssrn.3676856
Xuan (Sean) Sun, Ahsan Habib
We review the empirical literature on the determinants and consequences of auditor-provided tax services (APTS) and provide some directions for future research. We first review the evolution of APTS fees disclosures and related regulations in select jurisdictions, followed by a summary of determinants of APTS. We review studies examining firms’ decisions (1) to disclose the APTS information voluntarily; (2) to choose incumbent auditors as the tax service providers; and (3) to retain or dismiss incumbent auditors as the tax service providers. Our review suggests that all these decisions are related to the cost-benefit trade-off. We then review the literature on the consequences of APTS. This strand of the literature in the U.S. supports the knowledge spillover effect, but the findings in the non-U.S. settings are mixed. The market perceptions of APTS in both the U.S. and non-U.S. settings suggest that market participants react to APTS negatively during uncertain periods.
我们回顾了关于审计提供税务服务的决定因素和后果的实证文献,并为未来的研究提供了一些方向。我们首先回顾了APTS费用披露和相关法规在特定司法管辖区的演变,然后总结了APTS的决定因素。我们回顾了有关公司决定(1)自愿披露APTS信息的研究;(二)选择在职审计人员作为税务服务提供者;(3)保留或解聘在职审计人员作为税务服务提供者。我们的综述表明,所有这些决策都与成本-收益权衡有关。然后,我们回顾了有关APTS后果的文献。美国的这部分文献支持知识溢出效应,但在非美国的研究发现。设置是混合的。美国和非美国市场对APTS的看法。环境表明,在不确定时期,市场参与者对APTS的反应是负面的。
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引用次数: 2
Tax Haven Incorporation and the Cost of Capital 避税天堂公司与资本成本
Pub Date : 2020-08-01 DOI: 10.2139/ssrn.3756367
Christina M Lewellen, Landon M. Mauler, Luke Watson
While incorporating the firm’s parent company in a tax haven offers tax savings, it also imposes risks. We predict and find a higher cost of equity capital in firms with parent companies that are incorporated in tax havens. We find that the observed cost of equity premium is enhanced by tax risk, firm-level information risk, and country-level legal risk. We also employ corporate inversions in a difference-in-differences test and again find a positive relation between tax haven parent incorporation and the cost of capital. Our study contributes to the literatures on valuation of tax haven use, tax and nontax costs of corporate strategies, corporate inversions, and the relation between taxes and the cost of capital.
虽然将公司的母公司纳入避税天堂可以节省税收,但也会带来风险。我们预测并发现,母公司位于避税天堂的公司的股权资本成本更高。研究发现,税务风险、公司层面的信息风险和国家层面的法律风险会增加股权溢价的观察成本。我们还在差异中差异检验中使用公司倒置,再次发现避税天堂母公司注册与资本成本之间存在正相关关系。我们的研究对避税天堂使用的估值、企业战略的税收和非税成本、企业倒置以及税收与资本成本之间的关系等方面的文献有所贡献。
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引用次数: 5
Taxation as a Barrier to Blockchain Innovation 税收是区块链创新的障碍
Pub Date : 2020-07-28 DOI: 10.2139/ssrn.3662619
Michael D. Chatham, Thomas K. Duncan
Though it is not the only cryptocurrency in circulation, Bitcoin has been one of the dominant and more highly valued digital currencies in the blockchain family. The IRS recently decided to treat Bitcoin and all other cryptocurrencies as property, thus causing ownership interests in these cryptocurrencies to generate a taxable transaction any time they are sold or traded for another good or service. We argue that taxation of cryptocurrencies and the recordkeeping necessities that come with it serve to inhibit the innovation in and growth of what could be an extremely valuable new commodity, the blockchain itself. We offer alternative strategies to mitigate the potential effects of these types of regulatory tax policies. Our work is the first to offer an analysis of the implications of tax policies on the development of blockchain technologies.
尽管比特币不是唯一流通的加密货币,但它一直是区块链家族中占主导地位且价值更高的数字货币之一。美国国税局最近决定将比特币和所有其他加密货币视为财产,从而导致这些加密货币的所有权利益在出售或交易其他商品或服务时产生应税交易。我们认为,对加密货币征税以及随之而来的记录保存需求会抑制区块链本身这一极具价值的新商品的创新和增长。我们提供替代策略,以减轻这些类型的监管税收政策的潜在影响。我们的研究首次分析了税收政策对区块链技术发展的影响。
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引用次数: 0
Does Financial Reporting for Income Tax Expense Affect the Timeliness of Goodwill Impairments? 所得税费用的财务报告是否影响商誉减值的及时性?
Pub Date : 2020-07-10 DOI: 10.2139/ssrn.3455659
Z. King, Dan Lynch, Bridget Stomberg, Steven Utke
This study examines if financial reporting for income tax expense affects the timeliness of goodwill impairments. Goodwill impairments are an important signal of expected future cash flows, yet their timing is subject to managers’ discretion. U.S. GAAP requires that firms test all goodwill for impairment, but tax laws allow recognition and amortization of only some types of goodwill. Thus, financial statement tax benefits partially offset the impairment’s negative effect on GAAP net income only when the impairment includes tax-amortizable goodwill. Holding the size of impaired goodwill constant, we predict managers are more likely to delay impairments when the offsetting financial statement tax benefits are smaller. Results are consistent with expectations across a battery of tests. We estimate goodwill impairments are 17 to 22 percent more likely to be delayed when firms recognize reduced financial reporting income tax benefits. Our findings suggest financial reporting for taxes potentially distorts the timeliness of goodwill impairments.
本研究考察了所得税费用的财务报告是否会影响商誉减值的及时性。商誉减值是预期未来现金流的一个重要信号,但减值的时间取决于管理人员的判断力。美国公认会计准则要求公司对所有商誉进行减值测试,但税法只允许确认和摊销某些类型的商誉。因此,只有当减值包括应纳税摊销商誉时,财务报表的税收利益才能部分抵消减值对GAAP净收入的负面影响。保持减值商誉的规模不变,我们预测当抵消的财务报表税收优惠较小时,管理人员更有可能延迟减值。一系列测试的结果与预期一致。我们估计,当企业承认财务报告所得税优惠减少时,商誉减值延迟的可能性增加17%至22%。我们的研究结果表明,税务财务报告可能会扭曲商誉减值的及时性。
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引用次数: 3
Aggregate Corporate Tax Avoidance and Cost of Capital 企业避税总额和资本成本
Pub Date : 2020-06-30 DOI: 10.2139/ssrn.3662733
Stephanie A. Sikes, Robert E. Verrecchia
We identify a pecuniary externality arising from corporate tax avoidance. Firms share risk with the government via taxation. The lower the tax rate applied to a firm’s earnings, the more risk is borne by its shareholders. As more firms engage in avoidance in the aggregate, the variance of the market’s after-tax cash flow increases. Consequently, the covariance of a firm’s cash flow with the market cash flow, and thereby its cost of capital, increases. This occurs both for firms that avoid taxes and for those that do not. Consistent with our prediction, we find that firms’ implied cost of capital is positively related to aggregate corporate tax avoidance. This result holds not only for tax-avoiding but, crucially, also for non-tax-avoiding firms. As we predict, the pecuniary externality is stronger for firms whose cash flow covaries more with the market cash flow, and is driven by tax avoidance strategies that reduce a firm’s marginal tax rate as opposed to reducing its tax base.
我们确定了由企业避税引起的金钱外部性。企业通过税收与政府分担风险。适用于公司收益的税率越低,股东承担的风险就越大。随着越来越多的企业参与总体规避,市场税后现金流方差增大。因此,企业的现金流量与市场现金流量的协方差,从而其资本成本,增加。这种情况既发生在那些避税的公司,也发生在那些没有避税的公司。与我们的预测一致,我们发现企业的隐含资本成本与企业避税总量正相关。这一结果不仅适用于避税公司,更重要的是,也适用于非避税公司。正如我们所预测的那样,现金流量与市场现金流量协同变化更大的公司的货币外部性更强,并且受到降低公司边际税率而不是降低税基的避税策略的驱动。
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引用次数: 14
期刊
Tax eJournal
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