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Essays on Information Transmission in Firm Networks and Financial Market Implications

Essays on Information Transmission in Firm Networks and Financial Market Implications
Author: Christoph Maximilian Schiller
Publisher:
Total Pages: 0
Release: 2019
Genre:
ISBN:

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This thesis consists of three chapters on firm-level production networks, information production and dissemination, and their impact on corporate policies and investment decisions. Chapter 1 provides an introduction of the essays and summarizes their main findings. Chapter 2 examines the role of international supply-chain relationships for the transmission of corporate Environmental and Social (E) policies, and the resulting impact on real E outcomes and firm performance. E policies propagate from customers to suppliers, especially when customers have higher bargaining power and suppliers are in countries with lower ESG standards. This transmission mechanism matters: suppliers subsequently reduce their toxic emissions, litigation and reputation risk decreases, and financial performance improves. Chapter 3 develops a measure for the speed of information diffusion along supply-chains and documents a causal relationship between the attention of key market participants, i.e. dual-covering analysts and cross-holding institutional investors, and the speed measure. The speed of information diffusion plays an important role for feedback effects from stock prices to corporate investments: supplier managers rely more on information in customer (supplier) stock prices when the speed of information diffusion along the supply chain is slower (faster). Consequently, the diffusion speed affects the coordination of relationship-specific investments between customers and suppliers and future operating performance of suppliers. Chapter 4 shows that international supply-chain links are an important channel for the propagation of financial contagion around the world. Following large country-level shocks, such as market-index jumps or natural disasters, dynamic conditional correlation (DCC) between U.S. suppliers and their foreign customers increases significantly, beyond country-level and industry effects. Consistent with a credit-chain mechanism, the effect is asymmetric for positive and negative shocks, more pronounced for supply-chain pairs with a closer relationship, higher leverage, lower cash holdings and firm profitability, and increases with the costs of bankruptcy resolution in the customers countries.


Essays on Information Diffusion and Stock Markets

Essays on Information Diffusion and Stock Markets
Author: Aaron Paul Burt
Publisher:
Total Pages: 153
Release: 2017
Genre: Stock exchanges
ISBN:

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My dissertation is a compilation of three separate research studies that explore how information diffuses in financial markets. The first chapter examines how non-uniform information diffusion through distinct networks segments U.S. financial markets. Using changes in newspaper ownership networks, I document that a network link between different geographic areas leads to increased comovement of turnover and returns between stocks headquartered in those areas. Consistent with delayed content sharing within a network, the largest increase in comovement is observed using weekly data. I show that the network-driven comovement is not driven by fundamentals and is weaker for large firms with high institutional ownership and decreases over time. I also document that a network link causes price levels of linked stocks to become more similar. My findings show that segmented information networks lead to segmented financial markets with implications for market efficiency, home bias, and the effects of changes in the U.S. media landscape on financial markets. The second chapter shows that investors do not fully monitor the information about directors available in the past prices of firms within the network the directors oversee. A long-short portfolio using this information yields an annual alpha of 6.6%. This predictability is limited to when firms share a director and is not driven by industry or previously identified economic links between firms. The predictability is largest in the long end, when small firms predict big firms, and when information on shared directors is costlier to obtain. Trading by the shared directors is a key mechanism: filtering on their trades increases the annual alpha to 15%. The third chapter studies the econometric properties of a commonly used network-based measure of information diffusion between economically linked firms. Previous studies use this measure to document failures of market efficiency with price discovery requiring up to a year. The measure is constructed as the long-short alpha of portfolios formed sorting on the preceding returns of firms economically linked to portfolio firms. We show that correlated alphas between linked firms bias these measures. Existing studies have monthly biases as large as a factor of two. This bias creates predictability even after price discovery completes. Subtracting the predicted return from the sorting firms' returns removes this bias. Eliminating this bias reveals a more efficient market than previously documented: price discovery takes one month.


Three Essays on Network Peer Effects on Firms and Financial Markets

Three Essays on Network Peer Effects on Firms and Financial Markets
Author: Bahman Fathi Ajirloo
Publisher:
Total Pages: 0
Release: 2021
Genre:
ISBN:

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This dissertation consists of three essays that address recent topics in corporate finance that concern for scholars, policymakers, and investors. Main body of this dissertation has been developed based on the "nexus of contracts" theory of the firm which in recent years has sparked renewed debates on the motivation underlying firm size and boundary. The first essay explores a network of interconnected firms and examines the impact of the firm's relationships with peers, rivals, and customers on its capital structure, and how the firm's revealed peers influence its financing decisions. We demonstrate that industry classification approach is fraught with measurement error, and instead implement an alternative peer identification scheme that designates peer groups as those explicitly disclosed by managers to shareholders. The results contrast with previous studies that find only weak evidence for peer effects on capital structure. We find that peer effects are particularly strong when focal firms have persistent rivals, in the sense of supplying common customers for at least two consecutive years. While constructing the firm's actual network poses a challenge, the new approach can lead to more real-world insights about firm behavior. In the second essay, I approach to a challenging version of peer effects model with firm's and peer's multinomial decision outcome as endogenous and financial fundamentals as exogenous explanatory variables. I show that managers do not set dividend policy independently and they are significantly under the influence of few self-disclosed diverse competitors rather than industry peers. The test results show that firm's dividend change actions are significantly correlated with past dividend actions of its peers and it is highly predictable for the next period. I also investigate and report marginal effects of firm's and peers' different endogenous and exogenous determinants on the outcome decision variable for example a peer group with an overall dividend increase action in the past 180 days, increases the chance of the dividend increase in the focal firm. Considering the market capitalization of dividend paying firms, the identified marginal effects and prediction of the cash distribution are economically meaningful and important. In the third essay, I propose a new approach to model and measure intangible value of the firm as the joint of network feature and book value of the firm. Despite the growing importance, the empirical asset pricing research has struggled to evaluate the effects of intangible assets on firms' market value. Utilizing characteristics of the firm network, I propose a network-centric value factor to replace the under-performing traditional value factor (HML) in a series of asset pricing factor model. I show that the new value factor portfolio provides stronger performance in all periods of the sample. I also explore short and long strategies to better understand effects of the networks on value of the firms. Initial findings emphasize that asset pricing studies should adjust the factor models by including intangible network value of the firm.