According to a new study, through legalising same-sex marriage,
the US state of Pennsylvania will make an extra $92,1 million
(£55 million) in the first three years.  The results of the
Williams Institute study, the money will be brought in by same-
sex marriage to the state and local economy.  It was based on
census results from 2010 that there were 22,336 same-sex coupes
living in the state, and an estimate that between 7,490 and
11,168 of those couples would choose to marry within three years
of same-sex marriage becoming law.  The estimates were based on
the experience of other states such as Massachusetts, which have
already legalised same-sex marriage. The study noted that more
than half of gay and lesbian couples married in the first three
years of same-sex marriage being legal there.  It states that
the money would be generated through direct wedding spending and
wedding-related tourism, with an average spend of $6,468
(£3,800) per wedding.  As well as the revenue, it is estimated
that between 812 and