

    \filetitle{!dtrends}{Block of deterministic trend equations}{modellang/dtrends}

	\paragraph{Syntax for linearised measurement variables}
 
 \begin{verbatim}
 !dtrends
     VARIABLE_NAME += EXPRESSION;
     VARIABLE_NAME += EXPRESSION;
     VARIABLE_NAME += EXPRESSION;
     ...
 \end{verbatim}
 \paragraph{Syntax for log-linearised measurement variables}
 
 \begin{verbatim}
 !dtrends
     log(VARIABLE_NAME) += EXPRESSION;
     log(VARIABLE_NAME) += EXPRESSION;
     log(VARIABLE_NAME) += EXPRESSION;
     ...
 \end{verbatim}
 \paragraph{Syntax with equation labels}
 
 \begin{verbatim}
 !dtrends
     'Equation label' VARIABLE_NAME += EXPRESSION;
     'Equation label' LOG(VARIABLE_NAME) += EXPRESSION;
 \end{verbatim}
 \paragraph{Description}
 
 \paragraph{Example}
 
 \begin{verbatim}
 !dtrends
     Infl += pi_;
     Rate += rho_ + pi_;
 \end{verbatim}


