He said he wouldn't employ more staff, even if he could pay them less.
"We require a certain level of skill, regardless of the age. We're paying by the role, not the age.
"I support the concept, but it depends on the industry and where they are working."
Tauranga Chamber of Commerce chief executive Max Mason agreed.
"A starting out wage does not work for all sectors and all employers. Some employers have been burnt by taking on cheaper staff and learned that more experienced, higher-paid employees are worth their weight in gold. It's actually more about maturity than age."
Nonetheless, Unite union national secretary Matt McCarten said young people were more susceptible to being exploited, as many worked for large international companies.
"A lot of businesses are owned offshore and don't have any local knowledge, understanding or care."
Mr Mason responded: "In every industry there are unscrupulous people, but they normally get found out. The majority of business owners are decent folk just trying to be reasonable employers and make ends meet."
The Labour Party's spokeswoman for labour, Darien Fenton, said it would discourage young people from seeking work and encourage bad employment practices among employers.
Ms Fenton noted that while Australia had youth wages, wages were still much higher overall than in New Zealand.
The supermarket and fast food outlets the Bay of Plenty Times approached, declined to comment on the topic.
The changes
Three groups will be eligible unless they are training or supervising others:
16 and 17-year-olds in their first six months of work with a new employer
18 and 19-year-olds entering the workforce after more than six months on a benefit
16-to-19-year-old workers in a recognised industry training course involving at least 40 credits a year