conspicuous consumption

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This tendency towards conspicuous consumption also extends well beyond the ranks of the wealthy.
此外，这种炫耀性消费的倾向并不只是富人才有。
thykiss.blog.163.com
This is because the rich are getting richer everywhere, not just in Asia, and as they do so their capacity for conspicuous consumption of art is expanding.
原因在于，世界所有地方——不仅仅是亚洲——的富人都在变得更富，在此过程中，他们显著的艺术品消费能力也在不断扩大。
China's culture of conspicuous consumption and its big luxury market make the country an ideal place to 'generate new ideas and new concepts,' Mr. Boulay said.
布雷说，中国的炫耀性消费文化和庞大的豪华汽车市场是这里成为产生新想法和新概念的理想之地。

Mister Veblen argued that people gathered wealth for the purpose of "conspicuous consumption."

Since the financial crisis began, much has been said about the move away from conspicuous consumption.
FORBES: Stairwells of the Rich and Famous
He lives well, but avoids the conspicuous consumption that some of his rivals indulge in.
NEWYORKER: Mastering the Machine
And then, somewhere amid all this conspicuous consumption, Jay-Z picked up a special issue of The Economist.
NPR: 'The Economist', Jay-Z and the Cristal Brouhaha

the situation in which people spend a lot of money intentionally so that other people notice and admire them for their wealth

Conspicuous consumption means spending your money in such a way that other people can see how wealthy you are.