What adjustments should be made to keyword bidding strategies when a competitor significantly increases their bids for top positions on Yahoo! Japan?

When a competitor significantly increases their bids for top positions on Yahoo! Japan, several adjustments should be made to keyword bidding strategies, based on overall campaign goals and budget constraints. First, closely monitor keyword rankings and impression share to assess the impact of the competitor's bid increase. If impression share and average position decrease significantly, it indicates the competitor is outbidding you. If the goal is to maintain top positions for high-pri....