I have heard and seen this from time to time where I am at in Asia, that Canadians tend to stick together abroad and are fussy about every dollar spent like when going to bars here for a get together they would order and drink one beer each,then go out to drink another 5 in supermarket nearby and get back in the same bar for another beer... a pint of beer is like $4 in average bars here tho...
Sorry Canadian friends here, I dont mean to generalize or start the fire but enough rumor has it.