Publications

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VOISIN : La stratégie digitale d'un chocolatier renommé

Wissal BEN ARFI, Yousra Hallem, Frédéric Aubrun
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Crude oil, crypto-assets and dependence: the impact of the COVID-19 pandemic

Khaled GUESMI, Hela MZOUGHI, Yosra GHABRI

Purpose

This paper aims to empirically investigate the extent to which interdependence in markets may be driven by COVID-19 effects.
Design/methodology/approach

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Firm inflexibility and the implied cost of equity

Samir SAADI, Omrane Guedhami, Zhengwei Fu, Sadok El Ghoul

Using a large dataset of manufacturing firms from 65 countries, we examine whether and how firm inflexibility influences implied cost of equity over the period 1989–2018. We find that, on average, a firm with higher level of inflexibility have a higher implied cost of equity.

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Fostering positive customer attitudes and usage intentions for scheduling services via chatbots

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Gravitating exogenous shocks to the next normal through entrepreneurial coopetive interactions: A PLS-SEM and fsQCA approach

Wissal BEN ARFI, George Bogdan Dr?gan, Victor Tiberius, Aymen Ammari

Purpose: Entrepreneurship can be viewed as an individual or group pursuit of market opportunities irrespective of
the context. But when an exogenous shock alters and permanently alters the known normal, entrepreneurs can do

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Reward-based crowdfunding for building a valuable circular business model

Heger GABTENI, Daniele LEONE, Maria Cristina PIETRONUDO, Maria Rosaria CARLI
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Uncertainty in the financial regulation policy and the boom of cryptocurrencies

Khaled GUESMI, Syed ALI RAZA, Komal Akram KHAN, Ramzi BENKRAIEM

The purpose of this research is to assess the impact of uncertain financial regulatory policy on the volatility of cryptocurrencies using the GARCH-MIDAS model. Further, we aim to identify whether the uncertainty in the financial regulation policy results in the boom of cryptocurrencies.

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Art, entrepreneurs and open labs : New challenges to foster open innovation

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