Lumber prices are falling - and that means there's no need to fret about inflation, top economist David Rosenberg suggests

• Falling lumber and natural gas prices are reasons not to fret over inflation, according to David Rosenberg. 
• "Inflation?" the veteran economist asked in a Monday tweet, saying it's maybe a problem in the services sector of the US economy. 
• Rosenberg has repeatedly shrugged off inflation concerns as price pressures decline from their mid-2022 highs. 

David Rosenberg brushed off inflation fears again by pointing to falling lumber and natural gas prices.