Example preamble

preamble.tex

\documentclass[12pt]{article}

\usepackage[T1]{fontenc}
\usepackage[american]{babel}
\usepackage[utopia]{mathdesign}
%\usepackage{mathptmx}
%\usepackage{mathpazo}
%\usepackage{fontspec}
%\setmainfont{Cambria}

\usepackage[bookmarks=false]{hyperref}
\hypersetup{%
    hidelinks,
}
\urlstyle{same}                     % Use std typeface in URL's

\usepackage{microtype}   % For better spacing between words, punctuation
\usepackage[compact]{titlesec}

\usepackage{booktabs}
\usepackage[flushleft]{threeparttable}

\usepackage{setspace}
\onehalfspacing

\usepackage{xspace}   % for \xspace command

\usepackage{amsmath}

\usepackage[detect-mode=true, group-minimum-digits=4, group-separator={,}]{siunitx}

\usepackage{xfrac}

% Margins
\usepackage[margin=1.25in]{geometry}

\usepackage{graphicx}
\usepackage{pdflscape}

% BibLaTex
\usepackage[nameinlink]{cleveref}   % Better than 'autoref'; load after amsthm
\PassOptionsToPackage{natbib,useprefix=true}{biblatex-chicago}
\input{biblatex-aer}    % In ~/texmf
\usepackage{csquotes}   % biblatex really likes this?
\addbibresource{moncov.bib}


% Utopia font doesn't have the right symbol?
\makeatletter
\renewcommand*{\@fnsymbol}[1]{\ifcase#1\or*\else\@arabic{#1}\fi}
\makeatother

\title{%
My Very Descriptive and Not Punny Title%
\thanks{%
    1600 Pennsylvannia Ave NW, Washington DC. Email:
    \url{jack@twitter.com}. We thank all who need thanking.
}%
}

\author{First Author \and Second Author}

\date{\today}

% Not full justified (so easier to read)
\raggedright
%\usepackage{ragged2e}   % For some breaking of words across lines
\setlength{\parskip}{8pt plus4mm minus3mm}

% Uncomment this to get raggedright footnotes?
%\ExplSyntaxOn
%\makeatletter
%\RenewDocumentCommand\@makefntext{+m}{
  %\raggedright
  %\leavevmode
  %\hbox_to_wd:nn{0pt}{\hss\@thefnmark\enspace}
  %#1
%}
%\makeatother
%\ExplSyntaxOff