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High-Dimensional Sparse Financial Networks through a Regularised Regression Model
(2019-02-12)
"We propose a shrinkage and selection methodology specifically designed for network inference using high dimensional data through a regularised linear regression model with Spike-and-Slab prior on the parameters. The ...
Professional Networks and their Coevolution with Executive Careers: Evidence from Europe and North America
(2019-02-04)
This paper examines how networks of professional contacts contribute to the development of the careers of executives of North American and European companies. We build a dynamic model of career progression in which career ...
Horizontal Industry Relationships and Return Predictability
(2019-08-09)
It has been documented that vertical customer-supplier links between industries are the basis for strong cross-sectional stock return predictability (Menzly and Ozbas (2010)). We show that robust predictability also arises ...
The Value of Firm Networks: A Natural Experiment on Board Connections
(2020-04-13)
This paper presents causal evidence of the effects of boardroom networks on firm value and compensation policies. We exploit exogenous variation in network centrality arising from a ban on interlocking directorates of ...
Does Monetary Policy Impact International Market Co-Movements?
(2020-05-11)
We show that FED policy announcements lead to a significant increase in international comovements in the cross-section of equity and in particular sovereign CDS markets. The relaxation of unconventionary monetary policies ...
Evaluating the Effectiveness of Policies Against a Pandemic
(2020-11-12)
We develop a novel empirical approach to identify the effectiveness of policies against a pandemic. The essence of our approach is the insight that epidemic dynamics are best tracked over stages, rather than over time. We ...
An Extensible Model for Historical Financial Data with an Application to German Company and Stock Market Data
(2021-01-22)
Broad, long-term financial and economic datasets are a scarce resource, in particular in the European context. In this paper, we present an approach for an extensible, i.e. adaptable to future changes in technologies and ...
Global Realignment in Financial Market Dynamics: Evidence from ETF Networks
(2021-02-04)
The centrality of the United States in the global financial system is taken for granted, but its response to recent political and epidemiological events has suggested that China now holds a comparable position. Using ...
Impact of public news sentiment on stock market index return and volatility
(2021-10-11)
Recent advances in natural language processing have contributed to the development of market sentiment measures through text content analysis in news providers and social media. The effectiveness of these sentiment variables ...
The Value of Firm Networks: A Natural Experiment on Board Connections
(2021-08-03)
We present causal evidence on the effect of boardroom networks on firm value and compensation policies. We exploit a ban on interlocking directorates of Italian financial and insurance companies as exogenous variation and ...