When conversion data is sparse due to niche market targeting in Yahoo! Japan Ads, a manual cost-per-click (CPC) bidding strategy is generally more effective than automated bidding strategies. Automated strategies, such as target CPA (cost-per-acquisition) or maximize conversions, rely on historical conversion data to optimize bids. If this data is limited, the algorithm may not accurately predict optimal bids, leading to inefficient spending or missed opportunities. In contr....
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