"New Zealand and Australia have to work harder to hold market share in the Northern Hemisphere."
Hall said Tourism Holdings' December half result would reflect the difficult trading conditions as well as increased investment in the company's CI Munro caravan and motorhome manufacturing division, which has been shifted from Otorohanga to Hamilton, and in its new Explore More rental model.
"These conditions will result in a trading profit that is marginally behind last year based on current information and forward bookings."
Last year the company reported a first-half trading profit of $25.9 million and a net profit of $4.7 million.
Meanwhile, chairman Keith Smith yesterday announced the appointment of finance industry veteran Graeme Wong to the company's board.
Shares in Tourism Holdings - which owns coaches, rents vehicles and operates attractions including Kelly Tarlton's - closed unchanged yesterday at $2.34.