Research Methodology
Population and study period: Companies
listed on the Stock Exchange of Thailand, a total of
534 firms, operating in the past year (2010–2012).
Duration of study taken is 3 years.
Sampling is the companies listed on the Stock
Exchange of Thailand, operating in the past year
(2010–2012).They must submit fi nancial statement
to the Stock Exchange of Thailandthe ones listed
there, Thailand, for the accounting period of 1
January – 31 December of yearly data collection
in SET Index, except companies with following
characteristics that will not be included in the
study; that is to say, such companies provide
fi nancial services for fi nance and securities groups,
banking and insurance because these industrial
groups have distinctive asset and liability that
differ from other industries, revoked companies