ENBIS-22 Trondheim Conference

Session

CONTRIBUTED Finance, Business and Consulting

29 Jun 2022, 10:20

EL5

Conveners

CONTRIBUTED Finance, Business and Consulting

• John Tyssedal (NTNU)

66. How the UK land contamination industry inadvertently became the first to move to a world beyond p<0.05

Nigel Marriott (Marriott Statistical Consulting Ltd)

29/06/2022, 10:20

Consulting

In 2016, the ASA published their now famous statement on the use & misuse of p-values. In the same year, I started working with CL:AIRE (who represent the UK land contamination & remediation industry) to update their statistical guidance "Comparing soil contamination data with a critical concentration". CL:AIRE's older guidance used 1-way hypothesis testing that ran into many of the...

104. Copula Shrinkage and Portfolio Allocation in Ultra-High Dimensions

Stanislav Anatolyev (CERGE-EI)

29/06/2022, 10:40

Finance

The problem of allocation of large portfolios requires modeling joint distributions, for which the copula machinery is most convenient. While currently copula-based settings are used for a few hundred variables, we explore and promote the possibility of employing dimension-reduction tools to handle the problem in ultra-high dimensions, up to thousands of variables that use up to 30 times...

62. SMEs Circular Economy practices in the European Union: Implications for sustainability

Francesca Bassi (University of Padova)

Business

This paper studies the willingness of small and medium-sized companies (SMEs) in the European Union (EU) to undertake Circular Economy (CE) practices. The dataset comes from a survey involving more than 10,000 SMEs in the EU. This hierarchical dataset – companies within countries – was analyzed using a multilevel factor model that takes the heterogeneity between countries into account....