Table 1.

Number of firms included in the study

Sample201020112012201320142015201620172018
Number of firms listed on MTA (now Euronext Milan)277268260254249246244244244
Number of firms excluded−52−55−51−51−51−45−47−44−52
Of which
Financial firms−48−46−45−45−45−45−45−43−43
Firms with missing data−4−9−6−6−6−2−1−9
Number of firms included in the analysis225213209203198201197200194
Total firms included273
Total observations1,840
Note(s):

The table reports the number of companies listed on the main segment of the Milan Stock Exchange (MTA, now Euronext Milan) as of December 31 of each year, based on official data from “Borsa Italiana”. We excluded firms operating in the financial sector (banks, insurance companies and other financial institutions), which are subject to different governance logics and regulatory constraints (Arena et al., 2006). Additionally, a small number of companies were excluded each year because of missing data on key variables. The final sample includes all non-financial firms for which complete data were available in each year, resulting in an unbalanced panel of 273 unique firms and 1,840 firm-year observations

Source(s): Table created by authors

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