Count the papers published by the authors of 'Impacts of monetary instruments on overnight spread under the interest rate corridor framework: evidence from China' in 2021.
In 2021, how many papers did the authors of 'Impacts of monetary instruments on overnight spread under the interest rate corridor framework: evidence from China' publish?
SELECT DISTINCT (COUNT(?answer) AS ?count) WHERE { <https://dblp.org/rec/journals/bpmj/ChangFHH21> <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#yearOfPublication> '2021' }
<https://dblp.org/rec/journals/bpmj/ChangFHH21>