Minor economies that attract some interest (5,7)

I believe the answer is:

small savings

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'attract some interest' is the definition.
I don't know anything about this answer so I can't judge whether it can be defined by this definition.

'minor economies' is the wordplay.
'minor' becomes 'small' (synonyms).
'economies' becomes 'savings' ('saving' can be a synonym of 'economy').
'small'+'savings'='SMALL SAVINGS'

'that' is the link.

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I've seen this clue in The Globe and Mail.

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