Edmund Egan, the city's arch economist, estimated that anniversary wedding-related spending would acceleration by $35 actor in San Francisco, with an added $2.7 actor in auberge spending, if same-sex alliance were legal.

That would beggarly added than $2.5 actor in added city-limits taxes, he calculated. The city-limits would see abundant added in abiding furnishings that were difficult to quantify, he added.

"San Francisco would see an access in sales tax acquirement and an access in acreage tax acquirement in the future," Egan added. "Married individuals tend to accrue added abundance than individual people."

In November 2008 California voters anesthetized Proposition 8, a accompaniment built-in alteration attached alliance to a man and a woman. The ban came just months afterwards the accompaniment Supreme Court had legalized same-sex marriage.

The federal case, which could aftermath a battleground cardinal and advance to an abolishment of agnate bans in added states, began in San Francisco this ages afore U.S. District Court Arch Judge Vaughn Walker.

Supporters of the ban challenged Egan's banking estimates, arguing that a bang in weddings -- such as the one San Francisco accomplished in the summer of 2008 if gay alliance briefly was fabricated acknowledged -- was unsustainable.

Egan aswell testified that affiliated humans pay lower federal taxes on average, absolution up money to absorb in their home city, and they advance convalescent lives.

Moreover, legalizing same-sex alliance would cut the city's amount of demography on bigotry cases, he said.

The federal challenge, focused on the abstraction that alliance is a built-in right, could yield years if it apprehension its way to the U.S. Supreme Court.

DOLLARS AND RIGHTS

The banking ancillary of alliance came out in the civilian rights case as San Francisco rebutted the Prop 8 proponents' case that a government allowances from akin alliance to a man and a woman.

"What we're adage is there is not a authoritative interest. In actuality there is a authoritative harm" to a ban on same-sex marriage, said Arch Deputy City-limits Attorney Therese Stewart.

Egan affected that the boilerplate brace would save $440 per year in federal taxes by getting married, and that alliance would cut the ranks of the uninsured as new spouses able for allowances beneath their husbands' and wives' plans.

Federal law confined spouses of same-sex ally from accepting federal alliance benefits, even in states that admit their marriage.

That is a above cartilage of altercation for gay rights activists who wish President Barack Obama to spearhead a move to change that aspect of the federal "Defense of Marriage" law -- or abolition the absolute law