Takaichi vows to act against speculative market moves after yen spike.

Takaichi urges Economy Minister to avoid remarks on Bank of Japan's interest rate decision.

Takaichi cautions Akazawa not to comment further on the Bank of Japan.

Takaichi urged to respect central bank independence by Harvard economist.

Takaichi's new BOJ pick avoids policy signals and leans on data.

Takaichi's nominees to BOJ board receive lower house approval.