COLOMBO, Nov. 26 -- Sri Lanka's tourism revenue has remained lower since August this year despite a sharp rise in tourist arrivals, following a downward revision in estimated per-day tourist spending, senior Central Bank officials said on Wednesday (26).

The Sri Lanka Tourism Development Authority (SLTDA) updates its revenue calculations based on periodic surveys. In August, the agency revised estimated daily tourist spending to US$148, down from US$171, after identifying "weaknesses" in the previous methodology.

"There were some weaknesses in estimating the per-day spending. They have revised it based on a new survey," Central Bank Governor Nandalal Weerasinghe told reporters following the announcement of the latest monetary policy dec...